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org.w3c.dom.css
public interface: CSSStyleDeclaration [javadoc | source] 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 in the style sheet 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.

This interface is also used to provide a read-only access to the computed values of an element. See also the ViewCSS interface. The CSS Object Model doesn't provide an access to the specified or actual values of the CSS cascade.

See also the Document Object Model (DOM) Level 2 Style Specification.

Method from org.w3c.dom.css.CSSStyleDeclaration Summary:
getCssText,   getLength,   getParentRule,   getPropertyCSSValue,   getPropertyPriority,   getPropertyValue,   item,   removeProperty,   setCssText,   setProperty
Method from org.w3c.dom.css.CSSStyleDeclaration Detail:
 public String getCssText()
    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 all the properties in the declaration block including the removal or addition of properties.
 public int getLength()
    The number of properties that have been explicitly set in this declaration block. The range of valid indices is 0 to length-1 inclusive.
 public CSSRule getParentRule()
    The CSS rule that contains this declaration block or null if this CSSStyleDeclaration is not attached to a CSSRule.
 public CSSValue getPropertyCSSValue(String propertyName)
    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.
 public String getPropertyPriority(String propertyName)
    Used to retrieve the priority of a CSS property (e.g. the "important" qualifier) if the priority has been explicitly set in this declaration block.
 public String getPropertyValue(String propertyName)
    Used to retrieve the value of a CSS property if it has been explicitly set within this declaration block.
 public String item(int index)
    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.
 public String removeProperty(String propertyName) throws DOMException
    Used to remove a CSS property if it has been explicitly set within this declaration block.
 public  void setCssText(String cssText) throws DOMException
    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 all the properties in the declaration block including the removal or addition of properties.
 public  void setProperty(String propertyName,
    String value,
    String priority) throws DOMException
    Used to set a property value and priority within this declaration block. setProperty permits to modify a property or add a new one in the declaration block. Any call to this method may modify the order of properties in the item method.