insertRule
Summary
Inserts a new rule to a media block.
Method of css/cssom/CSSMediaRule/CSSMediaRulecss/cssom/CSSMediaRule/CSSMediaRule
Syntax
var ruleIndex = mediaRule.insertRule(/* see parameter list */);
Parameters
ruleText
- Data-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.
index
- Data-type
- Number
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
Returns an object of type NumberNumber
The index of the newly inserted rule within the media block’s rule collection.
Standards information
Related specifications
- DOM Level 2 Style
- Recommendation
See also
Related articles
CSSOM
insertRule
Related pages
- CSSMediaRuleCSSMediaRule
Reference- cssRulescssRules
- deleteRuledeleteRule
- mediamedia
Attributions
Microsoft Developer Network: [Windows Internet Explorer API reference Article]