CSSStyleDeclaration 对象

CSSStyleDeclaration 对象表示 CSS 属性值对的集合。

CSSStyleDeclaration 对象属性

Property	Description
cssText	Sets or returns the textual representation of a CSS declaration block
length	Returns the number of style declarations in a CSS declaration block
parentRule	Returns a CSS rule that is the parent of the style block

Method	Description
getPropertyPriority()	Returns whether or not the specified CSS property has the "important!" priority set
getPropertyValue()	Returns the value of the specified CSS property
item()	Returns the CSS property name from a CSS declaration block, by index
removeProperty()	Removes a CSS property from a CSS declaration block
setProperty()	Sets a new or modifies an existing CSS property in a CSS declaration block