CSSConditionRule

在此页

句法
特性
方法
规范
浏览器兼容性
另请参阅
相关话题

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 .

句法

The syntax is described using the WebIDL 格式。

interface CSSConditionRule : CSSGroupingRule {
    attribute DOMString conditionText;
}

特性

CSSConditionRule 派生自 CSSRule , CSSGroupingRule and inherits all properties of these classes. It has one specific property:

CSSConditionRule.conditionText

方法

CSSConditionRule 派生自 CSSRule , CSSGroupingRule and inherits all methods of these classes. It has no specific property of its own.

规范

规范	状态	注释
CSS Conditional Rules Module Level 3 The definition of 'CSSConditionRule' in that specification.	候选推荐	初始定义。

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	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 56	Edge ≤18	Firefox 20	IE No	Opera 43	Safari ?	WebView Android 56	Chrome Android 56	Firefox Android 20	Opera Android 43	Safari iOS ?	Samsung Internet Android 6.0

图例

完整支持
不支持
兼容性未知 ?

另请参阅

Using dynamic styling information

元数据

最后修改： 2019 年 3 月 23 日

在此页

句法

特性

方法

规范

浏览器兼容性

图例

另请参阅

相关话题