Web/API/CSSConditionRule

An object implementing the CSSConditionRule interface represents a single condition CSS at-rule, which consists of a condition and a statement block. It is a child of CSSGroupingRule.

Two objects derive from it : CSSMediaRule and CSSSupportsRule.

Syntax

The syntax is described using the WebIDL format.

interface CSSConditionRule : CSSGroupingRule {
    attribute DOMString conditionText;
}

Properties

The CSSConditionRule derives from CSSRule, CSSGroupingRule and inherits all properties of these classes. It has one specific property:

CSSConditionRule.conditionText: Represents the text of the condition of the rule.

Methods

The CSSConditionRule derives from CSSRule, CSSGroupingRule and inherits all methods of these classes. It has no specific property of its own.

Specifications

Specification	Status	Comment
CSS Conditional Rules Module Level 3The definition of 'CSSConditionRule' in that specification.	Candidate Recommendation	Initial definition.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`CSSConditionRule`	Chrome Full support 56	Edge Full support ≤18	Firefox Full support 20	IE No support No	Opera Full support 43	Safari ?	WebView Android Full support 56	Chrome Android Full support 56	Firefox Android Full support 20	Opera Android Full support 43	Safari iOS ?	Samsung Internet Android Full support 6.0

Legend

Full support: Full support
No support: No support
Compatibility unknown: Compatibility unknown