insertRule method
Inserts a new rule into the media block.
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Syntax
var retval = CSSMediaRule.insertRule(bstrRule, lIndex);Parameters
- bstrRule [in]
-
Type: String
The parsable text that represents 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.
- lIndex [in]
-
Type: Integer
The index within the media block's rule collection. The rule is inserted immediately before this index. If the specified index is equal to the length of the media block's rule collection, the rule is added to the end of the media block.
Return value
Type: Integer
The index of the newly inserted rule within the media block's rule collection.
Standards information
See also
- CSSMediaRule
- Reference
- cssRules
- deleteRule
- media
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