public interface

CSSRuleList

org.w3c.dom.css.CSSRuleList

Class Overview

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

The items in the CSSRuleList are accessible via an integral index, starting from 0.

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

Summary

Public Methods
abstract int getLength()
The number of CSSRules in the list.
abstract CSSRule item(int index)
Used to retrieve a CSS rule by ordinal index.

Public Methods

public abstract int getLength ()

The number of CSSRules in the list. The range of valid child rule indices is 0 to length-1 inclusive.

public abstract CSSRule item (int index)

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. If index is greater than or equal to the number of rules in the list, this returns null.

Parameters
index Index into the collection
Returns
  • The style rule at the index position in the CSSRuleList, or null if that is not a valid index.