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.
The syntax is described using the WebIDL format.
interface CSSConditionRule : CSSGroupingRule {
attribute DOMString conditionText;
}
The CSSConditionRule derives from CSSRule, CSSGroupingRule and inherits all properties of these classes. It has one specific property:
CSSConditionRule.conditionTextThe CSSConditionRule derives from CSSRule, CSSGroupingRule and inherits all methods of these classes. It has no specific property of its own.
| Specification | Status | Comment |
|---|---|---|
| CSS Conditional Rules Module Level 3 The definition of 'CSSConditionRule' in that specification. | Candidate Recommendation | Initial definition. |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | 56.0 | (Yes) | 20.0 (20.0) | No support | 43 | No support |
| Feature | Android Webview | Edge | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|
| Basic support | 56.0 | (Yes) | 20.0 (20.0) | No support | 43 | No support | 56.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/CSSConditionRule