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07 March, 2000

5. Document Object Model CSS

Editors
Vidur Apparao, Netscape Communications Corp.
Philippe Le Hégaret, W3C
Chris Wilson, Microsoft

Table of contents

5.1. Overview of the DOM Level 2 CSS Interfaces

The DOM Level 2 Cascading Style Sheets (CSS) interfaces are designed with the goal of exposing CSS constructs to object model consumers. Cascading Style Sheets is a declarative syntax for defining presentation rules, properties and ancillary constructs used to format and render Web documents. This document specifies a mechanism to programmatically access and modify the rich style and presentation control provided by CSS (specifically CSS level 2 [CSS2]). This augments CSS by providing a mechanism to dynamically control the inclusion and exclusion of individual style sheets, as well as manipulate CSS rules and properties.

The CSS interfaces are organized in a logical, rather than physical structure. A collection of all style sheets referenced by or embedded in the document is accessible on the document interface. Each item in this collection exposes the properties common to all style sheets referenced or embedded in HTML and XML documents; this interface is described in the Document Object Model StyleSheets. User style sheets are not accessible through this collection, in part due to potential privacy concerns (and certainly read-write issues).

For each CSS style sheet, an additional interface is exposed - the CSSStyleSheet interface. This interface allows access to the collection of rules within a CSS style sheet and methods to modify that collection. Interfaces are provided for each specific type of rule in CSS2 (e.g. style declarations, @import rules, or @font-face rules), as well as a shared generic CSSRule interface.

The most common type of rule is a style declaration. The CSSStyleRule interface that represents this type of rule provides string access to the CSS selector of the rule, and access to the property declarations through the CSSStyleDeclaration interface.

Finally, an optional CSS2Properties interface is described; this interface (if implemented) provides shortcuts to the string values of all the properties in CSS level 2.

All CSS objects in the DOM are "live", that is, a change in the style sheet is reflected in the computed and actual style.

A DOM application can use the hasFeature method of the DOMImplementation interface to determine whether the CSS interfaces are supported or not. The feature string for the CSS Model is "CSS". The existence within an implementation of the extended interfaces can also be queried using the hasFeature method.

5.2. CSS Fundamental Interfaces

The interfaces within this section are considered fundamental, and must be supported by all conforming DOM implementations. These interfaces represent CSS style sheets specifically.

Interface CSSStyleSheet (introduced in DOM Level 2)

The CSSStyleSheet interface is a concrete interface used to represent a CSS style sheet i.e., a style sheet whose content type is "text/css".


IDL Definition
// Introduced in DOM Level 2:
interface CSSStyleSheet : stylesheets::StyleSheet {
  readonly attribute CSSRule          ownerRule;
  readonly attribute CSSRuleList      cssRules;
  unsigned long      insertRule(in DOMString rule, 
                                in unsigned long index)
                                        raises(DOMException);
  void               deleteRule(in unsigned long index)
                                        raises(DOMException);
};

Attributes
cssRules of type CSSRuleList, readonly
The list of all CSS rules contained within the style sheet. This includes both rule sets and at-rules.

ownerRule of type CSSRule, readonly
If this style sheet comes from an @import rule, the ownerRule attribute will contain the CSSImportRule. In that case, the ownerNode attribute in the StyleSheet interface will be null. If the style sheet comes from an element or a processing instruction, the ownerRule attribute will be null and the ownerNode attribute will contain the Node.

Methods
deleteRule
Used to delete a rule from the style sheet.
Parameters

unsigned long

index

The index within the style sheet's rule list of the rule to remove.

Exceptions

DOMException

INDEX_SIZE_ERR: Raised if the specified index does not correspond to a rule in the style sheet's rule list.

NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is readonly.

No Return Value

insertRule
Used to insert a new rule into the style sheet. The new rule now becomes part of the cascade.
Parameters

DOMString

rule

The parsable text representing the rule. For rule sets this contains both the selector and the style declaration. For at-rules, this specifies both the at-identifier and the rule content.

unsigned long

index

The index within the style sheet's rule list of the rule before which to insert the specified rule. If the specified index is equal to the length of the style sheet's rule collection, the rule will be added to the end of the style sheet.

Return Value

unsigned long

The index within the style sheet's rule collection of the newly inserted rule.

Exceptions

DOMException

HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the specified index e.g. if an @import rule is inserted after a standard rule set or other at-rule.

INDEX_SIZE_ERR: Raised if the specified index is not a valid insertion point.

NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is readonly.

SYNTAX_ERR: Raised if the specified rule has a syntax error and is unparsable.

Interface CSSRuleList (introduced in DOM Level 2)

The CSSRuleList interface provides the abstraction of an ordered collection of CSS rules.


IDL Definition
// Introduced in DOM Level 2:
interface CSSRuleList {
  readonly attribute unsigned long    length;
  CSSRule            item(in unsigned long index);
};

Attributes
length of type unsigned long, readonly
The number of CSSRules in the list. The range of valid child rule indices is 0 to length-1 inclusive.

Methods
item
Used to retrieve a CSS rule by ordinal index. The order in this collection represents the order of the rules in the CSS style sheet.
Parameters

unsigned long

index

Index into the collection

Return Value

CSSRule

The style rule at the index position in the CSSRuleList, or null if that is not a valid index.

No Exceptions

Interface CSSRule (introduced in DOM Level 2)

The CSSRule interface is the abstract base interface for any type of CSS statement. This includes both rule sets and at-rules. An implementation is expected to preserve all rules specified in a CSS style sheet, even if the rule is not recognized by the parser. Unrecognized rules are represented using the CSSUnknownRule interface.


IDL Definition
// Introduced in DOM Level 2:
interface CSSRule {
  // RuleType
  const unsigned short      UNKNOWN_RULE                   = 0;
  const unsigned short      STYLE_RULE                     = 1;
  const unsigned short      CHARSET_RULE                   = 2;
  const unsigned short      IMPORT_RULE                    = 3;
  const unsigned short      MEDIA_RULE                     = 4;
  const unsigned short      FONT_FACE_RULE                 = 5;
  const unsigned short      PAGE_RULE                      = 6;

  readonly attribute unsigned short   type;
           attribute DOMString        cssText;
                                        // raises(DOMException) on setting

  readonly attribute CSSStyleSheet    parentStyleSheet;
  readonly attribute CSSRule          parentRule;
};

Definition group RuleType

An integer indicating which type of rule this is.

Defined Constants
CHARSET_RULE The rule is a CSSCharsetRule.
FONT_FACE_RULE The rule is a CSSFontFaceRule.
IMPORT_RULE The rule is a CSSImportRule.
MEDIA_RULE The rule is a CSSMediaRule.
PAGE_RULE The rule is a CSSPageRule.
STYLE_RULE The rule is a CSSStyleRule.
UNKNOWN_RULE The rule is a CSSUnknownRule.
Attributes
cssText of type DOMString
The parsable textual representation of the rule. This reflects the current state of the rule and not its initial value.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.

INVALID_MODIFICATION_ERR: Raised if the specified CSS string value represents a different type of rule than the current one.

HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at this point in the style sheet.

NO_MODIFICATION_ALLOWED_ERR: Raised if the rule is readonly.

parentRule of type CSSRule, readonly
If this rule is contained inside another rule (e.g. a style rule inside an @media block), this is the containing rule. If this rule is not nested inside any other rules, this returns null.

parentStyleSheet of type CSSStyleSheet, readonly
The style sheet that contains this rule.

type of type unsigned short, readonly
The type of the rule, as defined above. The expectation is that binding-specific casting methods can be used to cast down from an instance of the CSSRule interface to the specific derived interface implied by the type.

Interface CSSStyleRule (introduced in DOM Level 2)

The CSSStyleRule interface represents a single rule set in a CSS style sheet.


IDL Definition
// Introduced in DOM Level 2:
interface CSSStyleRule : CSSRule {
           attribute DOMString        selectorText;
                                        // raises(DOMException) on setting

  readonly attribute CSSStyleDeclaration  style;
};

Attributes
selectorText of type DOMString
The textual representation of the selector for the rule set. The implementation may have stripped out insignificant whitespace while parsing the selector.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this rule is readonly.

style of type CSSStyleDeclaration, readonly
The declaration-block of this rule set.

Interface CSSMediaRule (introduced in DOM Level 2)

The CSSMediaRule interface represents a @media rule in a CSS style sheet. A @media rule can be used to delimit style rules for specific media types.


IDL Definition
// Introduced in DOM Level 2:
interface CSSMediaRule : CSSRule {
  readonly attribute stylesheets::MediaList  media;
  readonly attribute CSSRuleList      cssRules;
  unsigned long      insertRule(in DOMString rule, 
                                in unsigned long index)
                                        raises(DOMException);
  void               deleteRule(in unsigned long index)
                                        raises(DOMException);
};

Attributes
cssRules of type CSSRuleList, readonly
A list of all CSS rules contained within the media block.

media of type stylesheets::MediaList, readonly
A list of media types for this rule.

Methods
deleteRule
Used to delete a rule from the media block.
Parameters

unsigned long

index

The index within the media block's rule collection of the rule to remove.

Exceptions

DOMException

INDEX_SIZE_ERR: Raised if the specified index does not correspond to a rule in the media rule list.

NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is readonly.

No Return Value

insertRule
Used to insert a new rule into the media block.
Parameters

DOMString

rule

The parsable text representing the rule. For rule sets this contains both the selector and the style declaration. For at-rules, this specifies both the at-identifier and the rule content.

unsigned long

index

The index within the media block's rule collection of the rule before which to insert the specified rule. If the specified index is equal to the length of the media blocks's rule collection, the rule will be added to the end of the media block.

Return Value

unsigned long

The index within the media block's rule collection of the newly inserted rule.

Exceptions

DOMException

HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the specified index, e.g., if an @import rule is inserted after a standard rule set or other at-rule.

INDEX_SIZE_ERR: Raised if the specified index is not a valid insertion point.

NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is readonly.

SYNTAX_ERR: Raised if the specified rule has a syntax error and is unparsable.

Interface CSSFontFaceRule (introduced in DOM Level 2)

The CSSFontFaceRule interface represents a @font-face rule in a CSS style sheet. The @font-face rule is used to hold a set of font descriptions.


IDL Definition
// Introduced in DOM Level 2:
interface CSSFontFaceRule : CSSRule {
  readonly attribute CSSStyleDeclaration  style;
};

Attributes
style of type CSSStyleDeclaration, readonly
The declaration-block of this rule.

Interface CSSPageRule (introduced in DOM Level 2)

The CSSPageRule interface represents a @page rule within a CSS style sheet. The @page rule is used to specify the dimensions, orientation, margins, etc. of a page box for paged media.


IDL Definition
// Introduced in DOM Level 2:
interface CSSPageRule : CSSRule {
           attribute DOMString        selectorText;
                                        // raises(DOMException) on setting

  readonly attribute CSSStyleDeclaration  style;
};

Attributes
selectorText of type DOMString
The parsable textual representation of the page selector for the rule.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this rule is readonly.

style of type CSSStyleDeclaration, readonly
The declaration-block of this rule.

Interface CSSImportRule (introduced in DOM Level 2)

The CSSImportRule interface represents a @import rule within a CSS style sheet. The @import rule is used to import style rules from other style sheets.


IDL Definition
// Introduced in DOM Level 2:
interface CSSImportRule : CSSRule {
  readonly attribute DOMString        href;
  readonly attribute stylesheets::MediaList  media;
  readonly attribute CSSStyleSheet    styleSheet;
};

Attributes
href of type DOMString, readonly
The location of the style sheet to be imported. The attribute will not contain the "url(...)" specifier around the URI.

media of type stylesheets::MediaList, readonly
A list of media types for which this style sheet may be used.

styleSheet of type CSSStyleSheet, readonly
The style sheet referred to by this rule, if it has been loaded. The value of this attribute is null if the style sheet has not yet been loaded or if it will not be loaded (e.g. if the style sheet is for a media type not supported by the user agent).

Interface CSSCharsetRule (introduced in DOM Level 2)

The CSSCharsetRule interface represents a @charset rule in a CSS style sheet. The value of the encoding attribute does not at all affect the encoding of text data in the DOM objects; this encoding is always UTF-16. After a stylesheet is loaded, the value of the encoding attribute is the value found in the @charset rule. If there was no @charset in the original document, then no CSSCharsetRule is created. The value of the encoding attribute may also be used as a hint for the encoding used on serialization of the style sheet.

The value of the @charset rule (and therefore of the CSSCharsetRule) may not correspond to the encoding the document actually came in; character encoding information e.g. in an HTTP header, has priority (see http://www.w3.org/TR/1998/REC-CSS2-19980512/syndata.html#x66) but is not reflected in the CSSCharsetRule.


IDL Definition
// Introduced in DOM Level 2:
interface CSSCharsetRule : CSSRule {
           attribute DOMString        encoding;
                                        // raises(DOMException) on setting

};

Attributes
encoding of type DOMString
The encoding information used in this @charset rule.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified encoding value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this encoding rule is readonly.

Interface CSSUnknownRule (introduced in DOM Level 2)

The CSSUnknownRule interface represents an at-rule not supported by this user agent.


IDL Definition
// Introduced in DOM Level 2:
interface CSSUnknownRule : CSSRule {
};

Interface CSSStyleDeclaration (introduced in DOM Level 2)

The CSSStyleDeclaration interface represents a single CSS declaration block. This interface may be used to determine the style properties currently set in a block or to set style properties explicitly within the block.

While an implementation may not recognize all CSS properties within a CSS declaration block, it is expected to provide access to all specified properties through the CSSStyleDeclaration interface. Furthermore, implementations that support a specific level of CSS should correctly handle CSS shorthand properties for that level. For a further discussion of shorthand properties, see the CSS2Properties interface.


IDL Definition
// Introduced in DOM Level 2:
interface CSSStyleDeclaration {
           attribute DOMString        cssText;
                                        // raises(DOMException) on setting

  DOMString          getPropertyValue(in DOMString propertyName);
  CSSValue           getPropertyCSSValue(in DOMString propertyName);
  DOMString          removeProperty(in DOMString propertyName)
                                        raises(DOMException);
  DOMString          getPropertyPriority(in DOMString propertyName);
  void               setProperty(in DOMString propertyName, 
                                 in DOMString value, 
                                 in DOMString priority)
                                        raises(DOMException);
  readonly attribute unsigned long    length;
  DOMString          item(in unsigned long index);
  readonly attribute CSSRule          parentRule;
};

Attributes
cssText of type DOMString
The parsable textual representation of the declaration block (excluding the surrounding curly braces). Setting this attribute will result in the parsing of the new value and resetting of the properties in the declaration block.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly or a property is readonly.

length of type unsigned long, readonly
The number of properties that have been explicitly set in this declaration block.

parentRule of type CSSRule, readonly
The CSS rule that contains this declaration block or null if this CSSStyleDeclaration is not attached to a CSSRule.

Methods
getPropertyCSSValue
Used to retrieve the object representation of the value of a CSS property if it has been explicitly set within this declaration block. This method returns null if the property is a shorthand property. Shorthand property values can only be accessed and modified as strings, using the getPropertyValue and setProperty methods.
Parameters

DOMString

propertyName

The name of the CSS property. See the CSS property index.

Return Value

CSSValue

Returns the value of the property if it has been explicitly set for this declaration block. Returns null if the property has not been set.

No Exceptions

getPropertyPriority
Used to retrieve the priority of a CSS property (e.g. the "important" qualifier) if the property has been explicitly set in this declaration block.
Parameters

DOMString

propertyName

The name of the CSS property. See the CSS property index.

Return Value

DOMString

A string representing the priority (e.g. "important") if one exists. The empty string if none exists.

No Exceptions

getPropertyValue
Used to retrieve the value of a CSS property if it has been explicitly set within this declaration block.
Parameters

DOMString

propertyName

The name of the CSS property. See the CSS property index.

Return Value

DOMString

Returns the value of the property if it has been explicitly set for this declaration block. Returns the empty string if the property has not been set.

No Exceptions

item
Used to retrieve the properties that have been explicitly set in this declaration block. The order of the properties retrieved using this method does not have to be the order in which they were set. This method can be used to iterate over all properties in this declaration block.
Parameters

unsigned long

index

Index of the property name to retrieve.

Return Value

DOMString

The name of the property at this ordinal position. The empty string if no property exists at this position.

No Exceptions

removeProperty
Used to remove a CSS property if it has been explicitly set within this declaration block.
Parameters

DOMString

propertyName

The name of the CSS property. See the CSS property index.

Return Value

DOMString

Returns the value of the property if it has been explicitly set for this declaration block. Returns the empty string if the property has not been set or the property name does not correspond to a valid CSS2 property.

Exceptions

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly or the property is readonly.

setProperty
Used to set a property value and priority within this declaration block.
Parameters

DOMString

propertyName

The name of the CSS property. See the CSS property index.

DOMString

value

The new value of the property.

DOMString

priority

The new priority of the property (e.g. "important").

Exceptions

DOMException

SYNTAX_ERR: Raised if the specified value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly or the property is readonly.

No Return Value

Interface CSSValue (introduced in DOM Level 2)

The CSSValue interface represents a simple or a complex value. A CSSValue object only occurs in a context of a CSS property.


IDL Definition
// Introduced in DOM Level 2:
interface CSSValue {
  // UnitTypes
  const unsigned short      CSS_INHERIT                    = 0;
  const unsigned short      CSS_PRIMITIVE_VALUE            = 1;
  const unsigned short      CSS_VALUE_LIST                 = 2;
  const unsigned short      CSS_CUSTOM                     = 3;

           attribute DOMString        cssText;
                                        // raises(DOMException) on setting

  readonly attribute unsigned short   valueType;
};

Definition group UnitTypes

An integer indicating which type of unit applies to the value.

Defined Constants
CSS_CUSTOM The value is a custom value.
CSS_INHERIT The value is inherited.
CSS_PRIMITIVE_VALUE The value is a primitive value and an instance of the CSSPrimitiveValue interface can be obtained by using binding-specific casting methods on this instance of the CSSValue interface.
CSS_VALUE_LIST The value is a list CSSValue.
Attributes
cssText of type DOMString
A string representation of the current value.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error (according to the attached property) or is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this value is readonly.

valueType of type unsigned short, readonly
A code defining the type of the value as defined above.

Interface CSSPrimitiveValue (introduced in DOM Level 2)

The CSSPrimitiveValue interface represents a single CSS value. This interface may be used to determine the value of a specific style property currently set in a block or to set a specific style property explicitly within the block. An instance of this interface can be obtained from the getPropertyCSSValue method of the CSSStyleDeclaration interface. A CSSPrimitiveValue object only occurs in a context of a CSS property.

Conversions are allowed between absolute values (from millimeters to centimeters, from degrees to radians, and so on) but not between relative values. (For example, a pixel value cannot be converted to a centimeter value.) Percentage values can't be converted since they are relative to the parent value (or another property value). There is one exception for color percentage values: since a color percentage value is relative to the range 0-255, a color percentage value can be converted to a number; (see also the RGBColor interface).


IDL Definition
// Introduced in DOM Level 2:
interface CSSPrimitiveValue : CSSValue {
  // UnitTypes
  const unsigned short      CSS_UNKNOWN                    = 0;
  const unsigned short      CSS_NUMBER                     = 1;
  const unsigned short      CSS_PERCENTAGE                 = 2;
  const unsigned short      CSS_EMS                        = 3;
  const unsigned short      CSS_EXS                        = 4;
  const unsigned short      CSS_PX                         = 5;
  const unsigned short      CSS_CM                         = 6;
  const unsigned short      CSS_MM                         = 7;
  const unsigned short      CSS_IN                         = 8;
  const unsigned short      CSS_PT                         = 9;
  const unsigned short      CSS_PC                         = 10;
  const unsigned short      CSS_DEG                        = 11;
  const unsigned short      CSS_RAD                        = 12;
  const unsigned short      CSS_GRAD                       = 13;
  const unsigned short      CSS_MS                         = 14;
  const unsigned short      CSS_S                          = 15;
  const unsigned short      CSS_HZ                         = 16;
  const unsigned short      CSS_KHZ                        = 17;
  const unsigned short      CSS_DIMENSION                  = 18;
  const unsigned short      CSS_STRING                     = 19;
  const unsigned short      CSS_URI                        = 20;
  const unsigned short      CSS_IDENT                      = 21;
  const unsigned short      CSS_ATTR                       = 22;
  const unsigned short      CSS_COUNTER                    = 23;
  const unsigned short      CSS_RECT                       = 24;
  const unsigned short      CSS_RGBCOLOR                   = 25;

  readonly attribute unsigned short   primitiveType;
  void               setFloatValue(in unsigned short unitType, 
                                   in float floatValue)
                                        raises(DOMException);
  float              getFloatValue(in unsigned short unitType)
                                        raises(DOMException);
  void               setStringValue(in unsigned short stringType, 
                                    in DOMString stringValue)
                                        raises(DOMException);
  DOMString          getStringValue()
                                        raises(DOMException);
  Counter            getCounterValue()
                                        raises(DOMException);
  Rect               getRectValue()
                                        raises(DOMException);
  RGBColor           getRGBColorValue()
                                        raises(DOMException);
};

Definition group UnitTypes

An integer indicating which type of unit applies to the value.

Defined Constants
CSS_ATTR The value is a attribute function. The value can be obtained by using the getStringValue method.
CSS_CM The value is a length (cm). The value can be obtained by using the getFloatValue method.
CSS_COUNTER The value is a counter or counters function. The value can be obtained by using the getCounterValue method.
CSS_DEG The value is an angle (deg). The value can be obtained by using the getFloatValue method.
CSS_DIMENSION The value is a number with an unknown dimension. The value can be obtained by using the getFloatValue method.
CSS_EMS The value is a length (ems). The value can be obtained by using the getFloatValue method.
CSS_EXS The value is a length (exs). The value can be obtained by using the getFloatValue method.
CSS_GRAD The value is an angle (grad). The value can be obtained by using the getFloatValue method.
CSS_HZ The value is a frequency (Hz). The value can be obtained by using the getFloatValue method.
CSS_IDENT The value is an identifier. The value can be obtained by using the getStringValue method.
CSS_IN The value is a length (in). The value can be obtained by using the getFloatValue method.
CSS_KHZ The value is a frequency (kHz). The value can be obtained by using the getFloatValue method.
CSS_MM The value is a length (mm). The value can be obtained by using the getFloatValue method.
CSS_MS The value is a time (ms). The value can be obtained by using the getFloatValue method.
CSS_NUMBER The value is a simple number. The value can be obtained by using the getFloatValue method.
CSS_PC The value is a length (pc). The value can be obtained by using the getFloatValue method.
CSS_PERCENTAGE The value is a percentage. The value can be obtained by using the getFloatValue method.
CSS_PT The value is a length (pt). The value can be obtained by using the getFloatValue method.
CSS_PX The value is a length (px). The value can be obtained by using the getFloatValue method.
CSS_RAD The value is an angle (rad). The value can be obtained by using the getFloatValue method.
CSS_RECT The value is a rect function. The value can be obtained by using the getRectValue method.
CSS_RGBCOLOR The value is a RGB color. The value can be obtained by using the getRGBColorValue method.
CSS_S The value is a time (s). The value can be obtained by using the getFloatValue method.
CSS_STRING The value is a STRING. The value can be obtained by using the getStringValue method.
CSS_UNKNOWN The value is not a recognized CSS2 value. The value can only be obtained by using the cssText attribute.
CSS_URI The value is a URI. The value can be obtained by using the getStringValue method.
Attributes
primitiveType of type unsigned short, readonly
The type of the value as defined by the constants specified above.

Methods
getCounterValue
This method is used to get the Counter value. If this CSS value doesn't contain a counter value, a DOMException is raised. Modification to the corresponding style property can be achieved using the Counter interface.
Return Value

Counter

The Counter value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the CSS value doesn't contain a Counter value (e.g. this is not CSS_COUNTER).

No Parameters

getFloatValue
This method is used to get a float value in a specified unit. If this CSS value doesn't contain a float value or can't be converted into the specified unit, a DOMException is raised.
Parameters

unsigned short

unitType

A unit code to get the float value. The unit code can only be a float unit type (i.e. CSS_NUMBER, CSS_PERCENTAGE, CSS_EMS, CSS_EXS, CSS_PX, CSS_CM, CSS_MM, CSS_IN, CSS_PT, CSS_PC, CSS_DEG, CSS_RAD, CSS_GRAD, CSS_MS, CSS_S, CSS_HZ, CSS_KHZ, CSS_DIMENSION).

Return Value

float

The float value in the specified unit.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the CSS value doesn't contain a float value or if the float value can't be converted into the specified unit.

getRGBColorValue
This method is used to get the RGB color. If this CSS value doesn't contain a RGB color value, a DOMException is raised. Modification to the corresponding style property can be achieved using the RGBColor interface.
Return Value

RGBColor

the RGB color value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the attached property can't return a RGB color value (e.g. this is not CSS_RGBCOLOR).

No Parameters

getRectValue
This method is used to get the Rect value. If this CSS value doesn't contain a rect value, a DOMException is raised. Modification to the corresponding style property can be achieved using the Rect interface.
Return Value

Rect

The Rect value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the CSS value doesn't contain a Rect value. (e.g. this is not CSS_RECT).

No Parameters

getStringValue
This method is used to get the string value. If the CSS value doesn't contain a string value, a DOMException is raised.

Note: Some properties (like 'font-family' or 'voice-family') convert a whitespace separated list of idents to a string.

Return Value

DOMString

The string value in the current unit. The current primitiveType can only be a string unit type (i.e. CSS_STRING, CSS_URI, CSS_IDENT and CSS_ATTR).

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the CSS value doesn't contain a string value.

No Parameters

setFloatValue
A method to set the float value with a specified unit. If the property attached with this value can not accept the specified unit or the float value, the value will be unchanged and a DOMException will be raised.
Parameters

unsigned short

unitType

A unit code as defined above. The unit code can only be a float unit type (i.e. CSS_NUMBER, CSS_PERCENTAGE, CSS_EMS, CSS_EXS, CSS_PX, CSS_CM, CSS_MM, CSS_IN, CSS_PT, CSS_PC, CSS_DEG, CSS_RAD, CSS_GRAD, CSS_MS, CSS_S, CSS_HZ, CSS_KHZ, CSS_DIMENSION).

float

floatValue

The new float value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the attached property doesn't support the float value or the unit type.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

setStringValue
A method to set the string value with the specified unit. If the property attached to this value can't accept the specified unit or the string value, the value will be unchanged and a DOMException will be raised.
Parameters

unsigned short

stringType

A string code as defined above. The string code can only be a string unit type (i.e. CSS_STRING, CSS_URI, CSS_IDENT, and CSS_ATTR).

DOMString

stringValue

The new string value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the CSS value doesn't contain a string value or if the string value can't be converted into the specified unit.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

Interface CSSValueList (introduced in DOM Level 2)

The CSSValueList interface provides the abstraction of an ordered collection of CSS values.

Some properties allow an empty list into their syntax. In that case, these properties take the none identifier. So, an empty list means that the property has the value none.


IDL Definition
// Introduced in DOM Level 2:
interface CSSValueList : CSSValue {
  readonly attribute unsigned long    length;
  CSSValue           item(in unsigned long index);
};

Attributes
length of type unsigned long, readonly
The number of CSSValues in the list. The range of valid values of the indices is 0 to length-1 inclusive.

Methods
item
Used to retrieve a CSS rule by ordinal index. The order in this collection represents the order of the values in the CSS style property.
Parameters

unsigned long

index

Index into the collection.

Return Value

CSSValue

The style rule at the index position in the CSSValueList, or null if that is not a valid index.

No Exceptions

Interface RGBColor (introduced in DOM Level 2)

The RGBColor interface is used to represent any RGB color value. This interface reflects the values in the underlying style property. Hence, modifications made to the CSSPrimitiveValue objects modify the style property.

A specified RGB color is not clipped (even if the number is outside the range 0-255 or 0%-100%). A computed RGB color is clipped depending on the device.

Even if a style sheet can only contain an integer for a color value, the internal storage of this integer is a float, and this can be used as a float in the specified or the computed style.

A color percentage value can always be converted to a number and vice versa.


IDL Definition
// Introduced in DOM Level 2:
interface RGBColor {
  readonly attribute CSSPrimitiveValue  red;
  readonly attribute CSSPrimitiveValue  green;
  readonly attribute CSSPrimitiveValue  blue;
};

Attributes
blue of type CSSPrimitiveValue, readonly
This attribute is used for the blue value of the RGB color.

green of type CSSPrimitiveValue, readonly
This attribute is used for the green value of the RGB color.

red of type CSSPrimitiveValue, readonly
This attribute is used for the red value of the RGB color.

Interface Rect (introduced in DOM Level 2)

The Rect interface is used to represent any rect value. This interface reflects the values in the underlying style property. Hence, modifications made to the CSSPrimitiveValue objects modify the style property.


IDL Definition
// Introduced in DOM Level 2:
interface Rect {
  readonly attribute CSSPrimitiveValue  top;
  readonly attribute CSSPrimitiveValue  right;
  readonly attribute CSSPrimitiveValue  bottom;
  readonly attribute CSSPrimitiveValue  left;
};

Attributes
bottom of type CSSPrimitiveValue, readonly
This attribute is used for the bottom of the rect.

left of type CSSPrimitiveValue, readonly
This attribute is used for the left of the rect.

right of type CSSPrimitiveValue, readonly
This attribute is used for the right of the rect.

top of type CSSPrimitiveValue, readonly
This attribute is used for the top of the rect.

Interface Counter (introduced in DOM Level 2)

The Counter interface is used to represent any counter or counters function value. This interface reflects the values in the underlying style property. Hence, modifications made to the CSSPrimitiveValue objects modify the style property.


IDL Definition
// Introduced in DOM Level 2:
interface Counter {
  readonly attribute DOMString        identifier;
  readonly attribute DOMString        listStyle;
  readonly attribute DOMString        separator;
};

Attributes
identifier of type DOMString, readonly
This attribute is used for the identifier of the counter.

listStyle of type DOMString, readonly
This attribute is used for the style of the list.

separator of type DOMString, readonly
This attribute is used for the separator of the nested counters.

5.2.1. Override and computed style sheet

Interface ViewCSS (introduced in DOM Level 2)

This interface represents a CSS view. The getComputedStyle method provides a read only access to the computed values of an element.

The expectation is that an instance of the ViewCSS interface can be obtained by using binding-specific casting methods on an instance of the View interface.

Since a computed style is related to an Element node, if this element is removed from the document, the associated CSSStyleDeclaration and CSSValue related to this declaration are no longer valid.


IDL Definition
// Introduced in DOM Level 2:
interface ViewCSS : views::AbstractView {
  CSSStyleDeclaration getComputedStyle(in Element elt, 
                                       in DOMString pseudoElt);
};

Methods
getComputedStyle
This method is used to get the computed style as it is defined in [CSS2].
Parameters

Element

elt

The element whose style is to be computed. This parameter cannot be null.

DOMString

pseudoElt

The pseudo-element or null if none.

Return Value

CSSStyleDeclaration

The computed style. The CSSStyleDeclaration is read-only and contains only absolute values.

No Exceptions

Interface DocumentCSS (introduced in DOM Level 2)

This interface represents a document with a CSS view.

The getOverrideStyle method provides a mechanism through which a DOM author could effect immediate change to the style of an element without modifying the explicitly linked style sheets of a document or the inline style of elements in the style sheets. This style sheet comes after the author style sheet in the cascade algorithm and is called override style sheet. The override style sheet takes precedence over author style sheets. An "!important" declaration still takes precedence over a normal declaration. Override, author, and user style sheets all may contain "!important" declarations. User "!important" rules take precedence over both override and author "!important" rules, and override "!important" rules take precedence over author "!important" rules.

The expectation is that an instance of the DocumentCSS interface can be obtained by using binding-specific casting methods on an instance of the Document interface.


IDL Definition
// Introduced in DOM Level 2:
interface DocumentCSS : stylesheets::DocumentStyle {
  CSSStyleDeclaration getOverrideStyle(in Element elt, 
                                       in DOMString pseudoElt);
};

Methods
getOverrideStyle
This method is used to retrieve the override style declaration for a specified element and a specified pseudo-element.
Parameters

Element

elt

The element whose style is to be modified. This parameter cannot be null.

DOMString

pseudoElt

The pseudo-element or null if none.

Return Value

CSSStyleDeclaration

The override style declaration.

No Exceptions

5.2.2. Style sheet creation

Interface DOMImplementationCSS (introduced in DOM Level 2)

This interface allows the DOM user to create a CSSStyleSheet outside the context of a document. There is no way to associate the new CSSStyleSheet with a document in DOM Level 2.


IDL Definition
// Introduced in DOM   Level 2:
interface DOMImplementationCSS : DOMImplementation {
  CSSStyleSheet      createCSSStyleSheet(in DOMString title, 
                                         in DOMString media);
};

Methods
createCSSStyleSheet
Creates a new CSSStyleSheet.
Parameters

DOMString

title

The advisory title. See also the Style Sheet Interfaces section.

DOMString

media

The comma-separated list of media associated with the new style sheet. See also the Style Sheet Interfaces section.

Return Value

CSSStyleSheet

A new CSS style sheet.

No Exceptions

5.2.3. Element with CSS inline style

Interface ElementCSSInlineStyle (introduced in DOM Level 2)

Inline style information attached to elements is exposed through the style attribute. This represents the contents of the STYLE attribute for HTML elements (or elements in other schemas or DTDs which use the STYLE attribute in the same way).


IDL Definition
// Introduced in DOM Level 2:
interface ElementCSSInlineStyle {
  readonly attribute CSSStyleDeclaration  style;
};

Attributes
style of type CSSStyleDeclaration, readonly
The style attribute.

5.3. CSS Extended Interfaces

The interfaces found within this section are not mandatory. A DOM application can use the hasFeature method of the DOMImplementation interface to determine whether they are supported or not. The feature string for all the extended interfaces listed in this section is "CSS2".

The following table specifies the type of CSSValue used to represent each property that can be specified in a CSSStyleDeclaration found in a CSSStyleRule for a CSS Level 2 style sheet. The expectation is that the CSSValue returned from the getPropertyCSSValue method on the CSSStyleDeclaration interface can be cast down, using binding-specific casting methods, to the specific derived interface.

For properties that are represented by a custom interface (the valueType of the CSSValue is CSS_CUSTOM), the name of the derived interface is specified in the table. For properties that consist of lists of values (the valueType of the CSSValue is CSS_VALUE_LIST), the derived interface is CSSValueList. For all other properties (the valueType of the CSSValue is CSS_PRIMITIVE_VALUE), the derived interface is CSSPrimitiveValue.
Property NameRepresentation
azimuthCSS2Azimuth
backgroundnull
background-attachmentident
background-colorrgbcolor, ident
background-imageuri, ident
background-positionCSS2BackgroundPosition
background-repeatident
bordernull
border-collapseident
border-colornull
border-spacingCSS2BorderSpacing
border-stylenull
border-top, border-right, border-bottom, border-leftnull
border-top-color, border-right-color, border-bottom-color, border-left-colorrgbcolor, ident
border-top-style, border-right-style, border-bottom-style, border-left-styleident
border-top-width, border-right-width, border-bottom-width, border-left-widthlength, ident
border-widthnull
bottomlength, percentage, ident
caption-sideident
clearident
cliprect, ident
colorrgbcolor, ident
contentlist of string, uri, counter, attr, ident
counter-incrementlist of CSS2CounterIncrement
counter-resetlist of CSS2CounterReset
cuenull
cue-after, cue-beforeuri, ident
cursorCSS2Cursor
directionident
displayident
elevationangle, ident
empty-cellsident
floatident
fontnull
font-familylist of strings and idents
font-sizeident, length, percentage
font-size-adjustnumber, ident
font-stretchident
font-styleident
font-variantident
font-weightident
heightlength, percentage, ident
leftlength, percentage, ident
letter-spacingident, length
line-heightident, length, percentage, number
list-stylenull
list-style-imageuri, ident
list-style-positionident
list-style-typeident
marginnull
margin-top, margin-right, margin-bottom, margin-leftlength, percentage, ident
marker-offsetlength, ident
max-heightlength, percentage, ident
max-widthlength, percentage, ident
min-heightlength, percentage, ident
min-widthlength, percentage, ident
orphansnumber
outlinenull
outline-colorrgbcolor, ident
outline-styleident
outline-widthlength, ident
overflowident
paddingnull
padding-top, padding-right, padding-bottom, padding-leftlength, percentage
pageident
page-break-afterident
page-break-beforeident
page-break-insideident
pausenull
pause-after, pause-beforetime, percentage
pitchfrequency, identifier
pitch-rangenumber
play-duringCSS2PlayDuring
positionident
quoteslist of string or ident
richnessnumber
rightlength, percentage, ident
speakident
speak-headerident
speak-numeralident
speak-punctuationident
speech-ratenumber, ident
stressnumber
table-layoutident
text-alignident, string
text-decorationlist of ident
text-indentlength, percentage
text-shadowlist of CSS2TextShadow
text-transformident
toplength, percentage, ident
unicode-bidiident
vertical-alignident, percentage, length
visibilityident
voice-familylist of strings and idents
volumenumber, percentage, ident
white-spaceident
widowsnumber
widthlength, percentage, ident
word-spacinglength, ident
z-indexident, number

Interface CSS2Azimuth (introduced in DOM Level 2)

The CSS2Azimuth interface represents the azimuth CSS Level 2 property.


IDL Definition
// Introduced in DOM Level 2:
interface CSS2Azimuth : CSSValue {
  readonly attribute unsigned short   azimuthType;
  readonly attribute DOMString        identifier;
  readonly attribute boolean          behind;
  void               setAngleValue(in unsigned short uType, 
                                   in float fValue)
                                        raises(DOMException);
  float              getAngleValue(in unsigned short uType)
                                        raises(DOMException);
  void               setIdentifier(in DOMString ident, 
                                   in boolean b)
                                        raises(DOMException);
};

Attributes
azimuthType of type unsigned short, readonly
A code defining the type of the value as defined in CSSValue. It would be one of CSS_DEG, CSS_RAD, CSS_GRAD or CSS_IDENT.

behind of type boolean, readonly
behind indicates whether the behind identifier has been set.

identifier of type DOMString, readonly
If azimuthType is CSS_IDENT, identifier contains one of left-side, far-left, left, center-left, center, center-right, right, far-right, right-side, leftwards, rightwards. The empty string if none is set.

Methods
getAngleValue
Used to retrieved the float value of the azimuth property.
Parameters

unsigned short

uType

The unit type can be only an angle unit type (CSS_DEG, CSS_RAD or CSS_GRAD).

Return Value

float

The float value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the unit type is invalid.

setAngleValue
A method to set the angle value with a specified unit. This method will unset any previously set identifier value.
Parameters

unsigned short

uType

The unitType could only be one of CSS_DEG, CSS_RAD or CSS_GRAD).

float

fValue

The new float value of the angle.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the unit type is invalid.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

setIdentifier
Setting the identifier for the azimuth property will unset any previously set angle value. The value of azimuthType is set to CSS_IDENT
Parameters

DOMString

ident

The new identifier. If the identifier is "leftwards" or "rightward", the behind attribute is ignored.

boolean

b

The new value for behind.

Exceptions

DOMException

SYNTAX_ERR: Raised if the specified identifier has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

Interface CSS2BackgroundPosition (introduced in DOM Level 2)

The CSS2BackgroundPosition interface represents the background-position CSS Level 2 property.


IDL Definition
// Introduced in DOM Level 2:
interface CSS2BackgroundPosition : CSSValue {
  readonly attribute unsigned short   horizontalType;
  readonly attribute unsigned short   verticalType;
  readonly attribute DOMString        horizontalIdentifier;
  readonly attribute DOMString        verticalIdentifier;
  float              getHorizontalPosition(in float hType)
                                        raises(DOMException);
  float              getVerticalPosition(in float vType)
                                        raises(DOMException);
  void               setHorizontalPosition(in unsigned short hType, 
                                           in float value)
                                        raises(DOMException);
  void               setVerticalPosition(in unsigned short vType, 
                                         in float value)
                                        raises(DOMException);
  void               setPositionIdentifier(in DOMString hIdentifier, 
                                           in DOMString vIdentifier)
                                        raises(DOMException);
};

Attributes
horizontalIdentifier of type DOMString, readonly
If horizontalType is CSS_IDENT or CSS_INHERIT, this attribute contains the string representation of the ident, otherwise it contains an empty string.

horizontalType of type unsigned short, readonly
A code defining the type of the horizontal value. It would be one of CSS_PERCENTAGE, CSS_EMS, CSS_EXS, CSS_PX, CSS_CM, CSS_MM, CSS_IN, CSS_PT, CSS_PC or CSS_IDENT. If one of horizontal or vertical is CSS_IDENT, it's guaranteed that the other is the same.

verticalIdentifier of type DOMString, readonly
If verticalType is CSS_IDENT or CSS_INHERIT, this attribute contains the string representation of the ident, otherwise it contains an empty string. The value is "center" if only the horizontalIdentifier has been set.

verticalType of type unsigned short, readonly
A code defining the type of the horizontal value. The code can be one of the following units : CSS_PERCENTAGE, CSS_EMS, CSS_EXS, CSS_PX, CSS_CM, CSS_MM, CSS_IN, CSS_PT, CSS_PC, CSS_IDENT, CSS_INHERIT. If one of horizontal or vertical is CSS_IDENT or CSS_INHERIT, it's guaranteed that the other is the same.

Methods
getHorizontalPosition
This method is used to get the float value in a specified unit if the horizontalPosition represents a length or a percentage. If the float doesn't contain a float value or can't be converted into the specified unit, a DOMException is raised.
Parameters

float

hType

The horizontal unit.

Return Value

float

The float value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the property doesn't contain a float or the value can't be converted.

getVerticalPosition
This method is used to get the float value in a specified unit if the verticalPosition represents a length or a percentage. If the float doesn't contain a float value or can't be converted into the specified unit, a DOMException is raised. The value is 50% if only the horizontal value has been specified.
Parameters

float

vType

The vertical unit.

Return Value

float

The float value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the property doesn't contain a float or the value can't be converted.

setHorizontalPosition
This method is used to set the horizontal position with a specified unit. If the vertical value is not a percentage or a length, it sets the vertical position to 50%.
Parameters

unsigned short

hType

The specified unit (a length or a percentage).

float

value

The new value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the specified unit is not a length or a percentage.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

setPositionIdentifier
Sets the identifiers. If the second identifier is the empty string, the vertical identifier is set to its default value ("center").
Parameters

DOMString

hIdentifier

The new horizontal identifier.

DOMString

vIdentifier

The new vertical identifier.

Exceptions

DOMException

SYNTAX_ERR: Raised if the identifiers have a syntax error and are unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

setVerticalPosition
This method is used to set the vertical position with a specified unit. If the horizontal value is not a percentage or a length, it sets the vertical position to 50%.
Parameters

unsigned short

vType

The specified unit (a length or a percentage).

float

value

The new value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the specified unit is not a length or a percentage.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

Interface CSS2BorderSpacing (introduced in DOM Level 2)

The CSS2BorderSpacing interface represents the border-spacing CSS Level 2 property.


IDL Definition
// Introduced in DOM Level 2:
interface CSS2BorderSpacing : CSSValue {
  readonly attribute unsigned short   horizontalType;
  readonly attribute unsigned short   verticalType;
  float              getHorizontalSpacing(in float hType)
                                        raises(DOMException);
  float              getVerticalSpacing(in float vType)
                                        raises(DOMException);
  void               setHorizontalSpacing(in unsigned short hType, 
                                          in float value)
                                        raises(DOMException);
  void               setVerticalSpacing(in unsigned short vType, 
                                        in float value)
                                        raises(DOMException);
};

Attributes
horizontalType of type unsigned short, readonly
The A code defining the type of the value as defined in CSSValue. It would be one of CSS_EMS, CSS_EXS, CSS_PX, CSS_CM, CSS_MM, CSS_IN, CSS_PT or CSS_PC.

verticalType of type unsigned short, readonly
The A code defining the type of the value as defined in CSSValue. It would be one of CSS_EMS, CSS_EXS, CSS_PX, CSS_CM, CSS_MM, CSS_IN, CSS_PT, CSS_PC or CSS_INHERIT.

Methods
getHorizontalSpacing
This method is used to get the float value in a specified unit if the horizontalSpacing represents a length. If the float doesn't contain a float value or can't be converted into the specified unit, a DOMException is raised.
Parameters

float

hType

The horizontal unit.

Return Value

float

The float value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the property doesn't contain a float or the value can't be converted.

getVerticalSpacing
This method is used to get the float value in a specified unit if the verticalSpacing represents a length. If the float doesn't contain a float value or can't be converted into the specified unit, a DOMException is raised. The value is 0 if only the horizontal value has been specified.
Parameters

float

vType

The vertical unit.

Return Value

float

The float value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the property doesn't contain a float or the value can't be converted.

setHorizontalSpacing
This method is used to set the horizontal spacing with a specified unit. If the vertical value is a length, it sets the vertical spacing to 0.
Parameters

unsigned short

hType

The horizontal unit.

float

value

The new value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the specified unit is not a length.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

setVerticalSpacing
This method is used to set the vertical spacing with a specified unit. If the horizontal value is not a length, it sets the vertical spacing to 0.
Parameters

unsigned short

vType

The vertical unit.

float

value

The new value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the specified unit is not a length or a percentage.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

Interface CSS2CounterReset (introduced in DOM Level 2)

The CSS2CounterReset interface represents a simple value for the counter-reset CSS Level 2 property.


IDL Definition
// Introduced in DOM Level   2:
interface CSS2CounterReset : CSSValue {
           attribute DOMString        identifier;
                                        // raises(DOMException) on setting

           attribute short            reset;
                                        // raises(DOMException) on setting

};

Attributes
identifier of type DOMString
The element name.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified identifier has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this identifier is readonly.

reset of type short
The reset (default value is 0).
Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised if this identifier is readonly.

Interface CSS2CounterIncrement (introduced in DOM Level 2)

The CSS2CounterIncrement interface represents a simple value for the counter-increment CSS Level 2 property.


IDL Definition
// Introduced in DOM   Level 2:
interface CSS2CounterIncrement : CSSValue {
           attribute DOMString        identifier;
                                        // raises(DOMException) on setting

           attribute short            increment;
                                        // raises(DOMException) on setting

};

Attributes
identifier of type DOMString
The element name.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified identifier has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this identifier is readonly.

increment of type short
The increment. (Default value is 1.)
Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised if this identifier is readonly.

Interface CSS2Cursor (introduced in DOM Level 2)

The CSS2Cursor interface represents the cursor CSS Level 2 property.


IDL Definition
// Introduced in DOM Level 2:
interface CSS2Cursor : CSSValue {
  readonly attribute CSSValueList     uris;
           attribute DOMString        predefinedCursor;
                                        // raises(DOMException) on setting

};

Attributes
predefinedCursor of type DOMString
This identifier represents a generic cursor name or an empty string.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly.

uris of type CSSValueList, readonly
uris represents the list of URIs (CSS_URI) on the cursor property. The list can be empty.

Interface CSS2PlayDuring (introduced in DOM Level 2)

The CSS2PlayDuring interface represents the play-during CSS Level 2 property.


IDL Definition
// Introduced in DOM Level 2:
interface CSS2PlayDuring : CSSValue {
  readonly attribute unsigned short   playDuringType;
           attribute DOMString        playDuringIdentifier;
                                        // raises(DOMException) on setting

           attribute DOMString        uri;
                                        // raises(DOMException) on setting

           attribute boolean          mix;
                                        // raises(DOMException) on setting

           attribute boolean          repeat;
                                        // raises(DOMException) on setting

};

Attributes
mix of type boolean
true if the sound should be mixed. It will be ignored if the attribute doesn't contain a uri.
Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly.

playDuringIdentifier of type DOMString
One of "inherit", "auto", "none" or the empty string if the playDuringType is CSS_UNKNOWN. On setting, it will set the uri to the empty string and mix and repeat to false.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly.

playDuringType of type unsigned short, readonly
A code defining the type of the value as defined in CSSvalue. It would be one of CSS_UNKNOWN or CSS_IDENT.

repeat of type boolean
true if the sound should be repeated. It will be ignored if the attribute doesn't contain a uri.
Exceptions on setting

DOMException

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly.

uri of type DOMString
The sound specified by the uri. It will set the playDuringType attribute to CSS_UNKNOWN.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly.

Interface CSS2TextShadow (introduced in DOM Level 2)

The CSS2TextShadow interface represents a simple value for the text-shadow CSS Level 2 property.


IDL Definition
// Introduced in DOM Level 2:
interface CSS2TextShadow {
  readonly attribute CSSValue         color;
  readonly attribute CSSValue         horizontal;
  readonly attribute CSSValue         vertical;
  readonly attribute CSSValue         blur;
};

Attributes
blur of type CSSValue, readonly
The blur radius of the text shadow. 0 if no length has been specified.

color of type CSSValue, readonly
Specifies the color of the text shadow. The CSS Value can contain an empty string if no color has been specified.

horizontal of type CSSValue, readonly
The horizontal position of the text shadow. 0 if no length has been specified.

vertical of type CSSValue, readonly
The vertical position of the text shadow. 0 if no length has been specified.

The following table specifies the type of CSSValue used to represent each descriptor that can be specified in a CSSStyleDeclaration found in a CSSFontFaceRule for a CSS Level 2 style sheet.
Property NameRepresentation
font-familylist of strings and idents
font-stylelist of idents
font-variantlist of idents
font-weightlist of idents
font-stretchlist of idents
font-sizelist of lengths or ident
unicode-rangelist of strings. Example: "U+370-3FF", "U+1F??"
units-per-emnumber
srclist of CSS2FontFaceSrc
panose-1list of integers
stemvnumber
stemhnumber
slopenumber
cap-heightnumber
x-heightnumber
ascentnumber
descentnumber
widthslist of CSS2FontFaceWidths
bboxlist of numbers
definition-srcuri
baselinenumber
centerlinenumber
mathlinenumber
toplinenumber

Interface CSS2FontFaceSrc (introduced in DOM Level 2)

The CSS2FontFaceSrc interface represents the src CSS Level 2 descriptor.


IDL Definition
// Introduced in DOM Level 2:
interface CSS2FontFaceSrc {
           attribute DOMString        uri;
                                        // raises(DOMException) on setting

  readonly attribute CSSValueList     format;
           attribute DOMString        fontFaceName;
                                        // raises(DOMException) on setting

};

Attributes
fontFaceName of type DOMString
Specifies the full font name of a locally installed font.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly.

format of type CSSValueList, readonly
This attribute contains a list of strings for the format CSS function.

uri of type DOMString
Specifies the source of the font, empty string otherwise.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly.

Interface CSS2FontFaceWidths (introduced in DOM Level 2)

The CSS2FontFaceWidths interface represents a simple value for the widths CSS Level 2 descriptor.


IDL Definition
// Introduced in DOM Level 2:
interface CSS2FontFaceWidths {
           attribute DOMString        urange;
                                        // raises(DOMException) on setting

  readonly attribute CSSValueList     numbers;
};

Attributes
numbers of type CSSValueList, readonly
A list of numbers representing the glyph widths.

urange of type DOMString
The range for the characters.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the specified CSS string value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this declaration is readonly.

The following table specifies the type of CSSValue used to represent each property that can be specified in a CSSStyleDeclaration found in a CSSPageRule for a CSS Level 2 style sheet.
Property NameRepresentation
marginnull
margin-top, margin-right, margin-bottom, margin-leftlength (no CSS_EMS and CSS_EXS), percentage, ident
markslist of idents
sizeCSS2PageSize

Interface CSS2PageSize (introduced in DOM Level 2)

The CSS2PageSize interface represents the size CSS Level 2 descriptor.


IDL Definition
// Introduced in DOM Level 2:
interface CSS2PageSize : CSSValue {
  readonly attribute unsigned short   widthType;
  readonly attribute unsigned short   heightType;
  readonly attribute DOMString        identifier;
  float              getWidth(in float wType)
                                        raises(DOMException);
  float              getHeightSize(in float hType)
                                        raises(DOMException);
  void               setWidthSize(in unsigned short wType, 
                                  in float value)
                                        raises(DOMException);
  void               setHeightSize(in unsigned short hType, 
                                   in float value)
                                        raises(DOMException);
  void               setIdentifier(in DOMString ident)
                                        raises(DOMException);
};

Attributes
heightType of type unsigned short, readonly
A code defining the type of the height of the page. It would be one of CSS_EMS, CSS_EXS, CSS_PX, CSS_CM, CSS_MM, CSS_IN, CSS_PT, CSS_PC or CSS_IDENT. If one of width or height is CSS_IDENT, it's guaranteed that the other is the same.

identifier of type DOMString, readonly
If width is CSS_IDENT, this attribute contains the string representation of the ident, otherwise it contains an empty string.

widthType of type unsigned short, readonly
A code defining the type of the width of the page. It would be one of CSS_EMS, CSS_EXS, CSS_PX, CSS_CM, CSS_MM, CSS_IN, CSS_PT, CSS_PC or CSS_IDENT.

Methods
getHeightSize
This method is used to get the float value in a specified unit if the heightType represents a length. If the float doesn't contain a float value or can't be converted into the specified unit, a DOMException is raised. If only the width value has been specified, the height value is the same.
Parameters

float

hType

The height unit.

Return Value

float

The float value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the property doesn't contain a float or the value can't be converted.

getWidth
This method is used to get the float value in a specified unit if the widthType represents a length. If the float doesn't contain a float value or can't be converted into the specified unit, a DOMException is raised.
Parameters

float

wType

The width unit.

Return Value

float

The float value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the property doesn't contain a float or the value can't be converted.

setHeightSize
This method is used to set the height position with a specified unit. If the widthType is not a length, it sets the width position to the same value.
Parameters

unsigned short

hType

The height unit.

float

value

The new value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the specified unit is not a length or a percentage.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

setIdentifier
Sets the identifier.
Parameters

DOMString

ident

The new identifier.

Exceptions

DOMException

SYNTAX_ERR: Raised if the identifier has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

setWidthSize
This method is used to set the width position with a specified unit. If the heightType is not a length, it sets the height position to the same value.
Parameters

unsigned short

wType

The width unit.

float

value

The new value.

Exceptions

DOMException

INVALID_ACCESS_ERR: Raised if the specified unit is not a length or a percentage.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

No Return Value

Interface CSS2Properties (introduced in DOM Level 2)

The CSS2Properties interface represents a convenience mechanism for retrieving and setting properties within a CSSStyleDeclaration. The attributes of this interface correspond to all the properties specified in CSS2. Getting an attribute of this interface is equivalent to calling the getPropertyValue method of the CSSStyleDeclaration interface. Setting an attribute of this interface is equivalent to calling the setProperty method of the CSSStyleDeclaration interface.

A compliant implementation is not required to implement the CSS2Properties interface. If an implementation does implement this interface, the expectation is that language-specific methods can be used to cast from an instance of the CSSStyleDeclaration interface to the CSS2Properties interface.

If an implementation does implement this interface, it is expected to understand the specific syntax of the shorthand properties, and apply their semantics; when the margin property is set, for example, the marginTop, marginRight, marginBottom and marginLeft properties are actually being set by the underlying implementation.

When dealing with CSS "shorthand" properties, the shorthand properties should be decomposed into their component longhand properties as appropriate, and when querying for their value, the form returned should be the shortest form exactly equivalent to the declarations made in the ruleset. However, if there is no shorthand declaration that could be added to the ruleset without changing in any way the rules already declared in the ruleset (i.e., by adding longhand rules that were previously not declared in the ruleset), then the empty string should be returned for the shorthand property.

For example, querying for the font property should not return "normal normal normal 14pt/normal Arial, sans-serif", when "14pt Arial, sans-serif" suffices. (The normals are initial values, and are implied by use of the longhand property.)

If the values for all the longhand properties that compose a particular string are the initial values, then a string consisting of all the initial values should be returned (e.g. a border-width value of "medium" should be returned as such, not as "").

For some shorthand properties that take missing values from other sides, such as the margin, padding, and border-[width|style|color] properties, the minimum number of sides possible should be used; i.e., "0px 10px" will be returned instead of "0px 10px 0px 10px".

If the value of a shorthand property can not be decomposed into its component longhand properties, as is the case for the font property with a value of "menu", querying for the values of the component longhand properties should return the empty string.


IDL Definition
// Introduced in DOM Level 2:
interface CSS2Properties {
           attribute DOMString        azimuth;
                                        // raises(DOMException) on setting

           attribute DOMString        background;
                                        // raises(DOMException) on setting

           attribute DOMString        backgroundAttachment;
                                        // raises(DOMException) on setting

           attribute DOMString        backgroundColor;
                                        // raises(DOMException) on setting

           attribute DOMString        backgroundImage;
                                        // raises(DOMException) on setting

           attribute DOMString        backgroundPosition;
                                        // raises(DOMException) on setting

           attribute DOMString        backgroundRepeat;
                                        // raises(DOMException) on setting

           attribute DOMString        border;
                                        // raises(DOMException) on setting

           attribute DOMString        borderCollapse;
                                        // raises(DOMException) on setting

           attribute DOMString        borderColor;
                                        // raises(DOMException) on setting

           attribute DOMString        borderSpacing;
                                        // raises(DOMException) on setting

           attribute DOMString        borderStyle;
                                        // raises(DOMException) on setting

           attribute DOMString        borderTop;
                                        // raises(DOMException) on setting

           attribute DOMString        borderRight;
                                        // raises(DOMException) on setting

           attribute DOMString        borderBottom;
                                        // raises(DOMException) on setting

           attribute DOMString        borderLeft;
                                        // raises(DOMException) on setting

           attribute DOMString        borderTopColor;
                                        // raises(DOMException) on setting

           attribute DOMString        borderRightColor;
                                        // raises(DOMException) on setting

           attribute DOMString        borderBottomColor;
                                        // raises(DOMException) on setting

           attribute DOMString        borderLeftColor;
                                        // raises(DOMException) on setting

           attribute DOMString        borderTopStyle;
                                        // raises(DOMException) on setting

           attribute DOMString        borderRightStyle;
                                        // raises(DOMException) on setting

           attribute DOMString        borderBottomStyle;
                                        // raises(DOMException) on setting

           attribute DOMString        borderLeftStyle;
                                        // raises(DOMException) on setting

           attribute DOMString        borderTopWidth;
                                        // raises(DOMException) on setting

           attribute DOMString        borderRightWidth;
                                        // raises(DOMException) on setting

           attribute DOMString        borderBottomWidth;
                                        // raises(DOMException) on setting

           attribute DOMString        borderLeftWidth;
                                        // raises(DOMException) on setting

           attribute DOMString        borderWidth;
                                        // raises(DOMException) on setting

           attribute DOMString        bottom;
                                        // raises(DOMException) on setting

           attribute DOMString        captionSide;
                                        // raises(DOMException) on setting

           attribute DOMString        clear;
                                        // raises(DOMException) on setting

           attribute DOMString        clip;
                                        // raises(DOMException) on setting

           attribute DOMString        color;
                                        // raises(DOMException) on setting

           attribute DOMString        content;
                                        // raises(DOMException) on setting

           attribute DOMString        counterIncrement;
                                        // raises(DOMException) on setting

           attribute DOMString        counterReset;
                                        // raises(DOMException) on setting

           attribute DOMString        cue;
                                        // raises(DOMException) on setting

           attribute DOMString        cueAfter;
                                        // raises(DOMException) on setting

           attribute DOMString        cueBefore;
                                        // raises(DOMException) on setting

           attribute DOMString        cursor;
                                        // raises(DOMException) on setting

           attribute DOMString        direction;
                                        // raises(DOMException) on setting

           attribute DOMString        display;
                                        // raises(DOMException) on setting

           attribute DOMString        elevation;
                                        // raises(DOMException) on setting

           attribute DOMString        emptyCells;
                                        // raises(DOMException) on setting

           attribute DOMString        cssFloat;
                                        // raises(DOMException) on setting

           attribute DOMString        font;
                                        // raises(DOMException) on setting

           attribute DOMString        fontFamily;
                                        // raises(DOMException) on setting

           attribute DOMString        fontSize;
                                        // raises(DOMException) on setting

           attribute DOMString        fontSizeAdjust;
                                        // raises(DOMException) on setting

           attribute DOMString        fontStretch;
                                        // raises(DOMException) on setting

           attribute DOMString        fontStyle;
                                        // raises(DOMException) on setting

           attribute DOMString        fontVariant;
                                        // raises(DOMException) on setting

           attribute DOMString        fontWeight;
                                        // raises(DOMException) on setting

           attribute DOMString        height;
                                        // raises(DOMException) on setting

           attribute DOMString        left;
                                        // raises(DOMException) on setting

           attribute DOMString        letterSpacing;
                                        // raises(DOMException) on setting

           attribute DOMString        lineHeight;
                                        // raises(DOMException) on setting

           attribute DOMString        listStyle;
                                        // raises(DOMException) on setting

           attribute DOMString        listStyleImage;
                                        // raises(DOMException) on setting

           attribute DOMString        listStylePosition;
                                        // raises(DOMException) on setting

           attribute DOMString        listStyleType;
                                        // raises(DOMException) on setting

           attribute DOMString        margin;
                                        // raises(DOMException) on setting

           attribute DOMString        marginTop;
                                        // raises(DOMException) on setting

           attribute DOMString        marginRight;
                                        // raises(DOMException) on setting

           attribute DOMString        marginBottom;
                                        // raises(DOMException) on setting

           attribute DOMString        marginLeft;
                                        // raises(DOMException) on setting

           attribute DOMString        markerOffset;
                                        // raises(DOMException) on setting

           attribute DOMString        marks;
                                        // raises(DOMException) on setting

           attribute DOMString        maxHeight;
                                        // raises(DOMException) on setting

           attribute DOMString        maxWidth;
                                        // raises(DOMException) on setting

           attribute DOMString        minHeight;
                                        // raises(DOMException) on setting

           attribute DOMString        minWidth;
                                        // raises(DOMException) on setting

           attribute DOMString        orphans;
                                        // raises(DOMException) on setting

           attribute DOMString        outline;
                                        // raises(DOMException) on setting

           attribute DOMString        outlineColor;
                                        // raises(DOMException) on setting

           attribute DOMString        outlineStyle;
                                        // raises(DOMException) on setting

           attribute DOMString        outlineWidth;
                                        // raises(DOMException) on setting

           attribute DOMString        overflow;
                                        // raises(DOMException) on setting

           attribute DOMString        padding;
                                        // raises(DOMException) on setting

           attribute DOMString        paddingTop;
                                        // raises(DOMException) on setting

           attribute DOMString        paddingRight;
                                        // raises(DOMException) on setting

           attribute DOMString        paddingBottom;
                                        // raises(DOMException) on setting

           attribute DOMString        paddingLeft;
                                        // raises(DOMException) on setting

           attribute DOMString        page;
                                        // raises(DOMException) on setting

           attribute DOMString        pageBreakAfter;
                                        // raises(DOMException) on setting

           attribute DOMString        pageBreakBefore;
                                        // raises(DOMException) on setting

           attribute DOMString        pageBreakInside;
                                        // raises(DOMException) on setting

           attribute DOMString        pause;
                                        // raises(DOMException) on setting

           attribute DOMString        pauseAfter;
                                        // raises(DOMException) on setting

           attribute DOMString        pauseBefore;
                                        // raises(DOMException) on setting

           attribute DOMString        pitch;
                                        // raises(DOMException) on setting

           attribute DOMString        pitchRange;
                                        // raises(DOMException) on setting

           attribute DOMString        playDuring;
                                        // raises(DOMException) on setting

           attribute DOMString        position;
                                        // raises(DOMException) on setting

           attribute DOMString        quotes;
                                        // raises(DOMException) on setting

           attribute DOMString        richness;
                                        // raises(DOMException) on setting

           attribute DOMString        right;
                                        // raises(DOMException) on setting

           attribute DOMString        size;
                                        // raises(DOMException) on setting

           attribute DOMString        speak;
                                        // raises(DOMException) on setting

           attribute DOMString        speakHeader;
                                        // raises(DOMException) on setting

           attribute DOMString        speakNumeral;
                                        // raises(DOMException) on setting

           attribute DOMString        speakPunctuation;
                                        // raises(DOMException) on setting

           attribute DOMString        speechRate;
                                        // raises(DOMException) on setting

           attribute DOMString        stress;
                                        // raises(DOMException) on setting

           attribute DOMString        tableLayout;
                                        // raises(DOMException) on setting

           attribute DOMString        textAlign;
                                        // raises(DOMException) on setting

           attribute DOMString        textDecoration;
                                        // raises(DOMException) on setting

           attribute DOMString        textIndent;
                                        // raises(DOMException) on setting

           attribute DOMString        textShadow;
                                        // raises(DOMException) on setting

           attribute DOMString        textTransform;
                                        // raises(DOMException) on setting

           attribute DOMString        top;
                                        // raises(DOMException) on setting

           attribute DOMString        unicodeBidi;
                                        // raises(DOMException) on setting

           attribute DOMString        verticalAlign;
                                        // raises(DOMException) on setting

           attribute DOMString        visibility;
                                        // raises(DOMException) on setting

           attribute DOMString        voiceFamily;
                                        // raises(DOMException) on setting

           attribute DOMString        volume;
                                        // raises(DOMException) on setting

           attribute DOMString        whiteSpace;
                                        // raises(DOMException) on setting

           attribute DOMString        widows;
                                        // raises(DOMException) on setting

           attribute DOMString        width;
                                        // raises(DOMException) on setting

           attribute DOMString        wordSpacing;
                                        // raises(DOMException) on setting

           attribute DOMString        zIndex;
                                        // raises(DOMException) on setting

};

Attributes
azimuth of type DOMString
See the azimuth property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

background of type DOMString
See the background property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

backgroundAttachment of type DOMString
See the background-attachment property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

backgroundColor of type DOMString
See the background-color property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

backgroundImage of type DOMString
See the background-image property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

backgroundPosition of type DOMString
See the background-position property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

backgroundRepeat of type DOMString
See the background-repeat property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

border of type DOMString
See the border property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderBottom of type DOMString
See the border-bottom property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderBottomColor of type DOMString
See the border-bottom-color property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderBottomStyle of type DOMString
See the border-bottom-style property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderBottomWidth of type DOMString
See the border-bottom-width property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderCollapse of type DOMString
See the border-collapse property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderColor of type DOMString
See the border-color property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderLeft of type DOMString
See the border-left property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderLeftColor of type DOMString
See the border-left-color property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderLeftStyle of type DOMString
See the border-left-style property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderLeftWidth of type DOMString
See the border-left-width property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderRight of type DOMString
See the border-right property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderRightColor of type DOMString
See the border-right-color property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderRightStyle of type DOMString
See the border-right-style property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderRightWidth of type DOMString
See the border-right-width property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderSpacing of type DOMString
See the border-spacing property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderStyle of type DOMString
See the border-style property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderTop of type DOMString
See the border-top property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderTopColor of type DOMString
See the border-top-color property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderTopStyle of type DOMString
See the border-top-style property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderTopWidth of type DOMString
See the border-top-width property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

borderWidth of type DOMString
See the border-width property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

bottom of type DOMString
See the bottom property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

captionSide of type DOMString
See the caption-side property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

clear of type DOMString
See the clear property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

clip of type DOMString
See the clip property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

color of type DOMString
See the color property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

content of type DOMString
See the content property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

counterIncrement of type DOMString
See the counter-increment property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

counterReset of type DOMString
See the counter-reset property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

cssFloat of type DOMString
See the float property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

cue of type DOMString
See the cue property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

cueAfter of type DOMString
See the cue-after property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

cueBefore of type DOMString
See the cue-before property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

cursor of type DOMString
See the cursor property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

direction of type DOMString
See the direction property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

display of type DOMString
See the display property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

elevation of type DOMString
See the elevation property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

emptyCells of type DOMString
See the empty-cells property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

font of type DOMString
See the font property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

fontFamily of type DOMString
See the font-family property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

fontSize of type DOMString
See the font-size property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

fontSizeAdjust of type DOMString
See the font-size-adjust property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

fontStretch of type DOMString
See the font-stretch property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

fontStyle of type DOMString
See the font-style property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

fontVariant of type DOMString
See the font-variant property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

fontWeight of type DOMString
See the font-weight property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

height of type DOMString
See the height property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

left of type DOMString
See the left property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

letterSpacing of type DOMString
See the letter-spacing property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

lineHeight of type DOMString
See the line-height property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

listStyle of type DOMString
See the list-style property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

listStyleImage of type DOMString
See the list-style-image property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

listStylePosition of type DOMString
See the list-style-position property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

listStyleType of type DOMString
See the list-style-type property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

margin of type DOMString
See the margin property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

marginBottom of type DOMString
See the margin-bottom property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

marginLeft of type DOMString
See the margin-left property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

marginRight of type DOMString
See the margin-right property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

marginTop of type DOMString
See the margin-top property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

markerOffset of type DOMString
See the marker-offset property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

marks of type DOMString
See the marks property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

maxHeight of type DOMString
See the max-height property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

maxWidth of type DOMString
See the max-width property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

minHeight of type DOMString
See the min-height property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

minWidth of type DOMString
See the min-width property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

orphans of type DOMString
See the orphans property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

outline of type DOMString
See the outline property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

outlineColor of type DOMString
See the outline-color property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

outlineStyle of type DOMString
See the outline-style property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

outlineWidth of type DOMString
See the outline-width property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

overflow of type DOMString
See the overflow property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

padding of type DOMString
See the padding property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

paddingBottom of type DOMString
See the padding-bottom property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

paddingLeft of type DOMString
See the padding-left property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

paddingRight of type DOMString
See the padding-right property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

paddingTop of type DOMString
See the padding-top property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

page of type DOMString
See the page property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

pageBreakAfter of type DOMString
See the page-break-after property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

pageBreakBefore of type DOMString
See the page-break-before property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

pageBreakInside of type DOMString
See the page-break-inside property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

pause of type DOMString
See the pause property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

pauseAfter of type DOMString
See the pause-after property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

pauseBefore of type DOMString
See the pause-before property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

pitch of type DOMString
See the pitch property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

pitchRange of type DOMString
See the pitch-range property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

playDuring of type DOMString
See the play-during property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

position of type DOMString
See the position property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

quotes of type DOMString
See the quotes property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

richness of type DOMString
See the richness property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

right of type DOMString
See the right property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

size of type DOMString
See the size property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

speak of type DOMString
See the speak property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

speakHeader of type DOMString
See the speak-header property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

speakNumeral of type DOMString
See the speak-numeral property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

speakPunctuation of type DOMString
See the speak-punctuation property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

speechRate of type DOMString
See the speech-rate property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

stress of type DOMString
See the stress property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

tableLayout of type DOMString
See the table-layout property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

textAlign of type DOMString
See the text-align property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

textDecoration of type DOMString
See the text-decoration property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

textIndent of type DOMString
See the text-indent property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

textShadow of type DOMString
See the text-shadow property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

textTransform of type DOMString
See the text-transform property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

top of type DOMString
See the top property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

unicodeBidi of type DOMString
See the unicode-bidi property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

verticalAlign of type DOMString
See the vertical-align property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

visibility of type DOMString
See the visibility property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

voiceFamily of type DOMString
See the voice-family property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

volume of type DOMString
See the volume property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

whiteSpace of type DOMString
See the white-space property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

widows of type DOMString
See the widows property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

width of type DOMString
See the width property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

wordSpacing of type DOMString
See the word-spacing property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

zIndex of type DOMString
See the z-index property definition in CSS2.
Exceptions on setting

DOMException

SYNTAX_ERR: Raised if the new value has a syntax error and is unparsable.

NO_MODIFICATION_ALLOWED_ERR: Raised if this property is readonly.

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