Interface CSSRuleList

public interface CSSRuleList
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.

Since:
1.4, DOM Level 2

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    getLength()
    The number of CSSRules in the list.
    CSSRule
    item(int index)
    Used to retrieve a CSS rule by ordinal index.

  • Method Details

    • getLength

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

    • item

      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.