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CSSMediaRule 是一个表示单个CSS @media  规则的接口。它实现  CSSConditionRule 接口,因此 CSSGroupingRule  和  CSSRule 接口类型值为 4(CSSRule.MEDIA_RULE).。

Syntax

The syntax is described using the WebIDL format.

interface CSSMediaRule : CSSConditionRule {
    readonly attribute MediaList media;
}

Properties

As a CSSConditionRule, and therefore both a CSSGroupingRule and a CSSRule, CSSMediaRule also implements the properties of these interfaces. It has the following specific property:

CSSMediaRule.media 只读
Specifies a MediaList representing the intended destination medium for style information.

Methods

As a CSSConditionRule, and therefore both a CSSGroupingRule and a CSSRule, CSSMediaRule also implements the methods of that interface. It has no specific methods.

Specification

Specification Status Comment
CSS Conditional Rules Module Level 3
CSSMediaRule
Candidate Recommendation Make it derived from the CSSConditionRule.
CSS Object Model (CSSOM)
CSSMediaRule
Working Draft No changes from Document Object Model (DOM) Level 2 Style Specification
Document Object Model (DOM) Level 2 Style Specification
CSSMediaRule
Obsolete  

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support ? (Yes) [1] ? ? ?
Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support ? 17.0 (17) [1] ? ? ?

[1] Setting the value of conditionText on Gecko is only possible from Firefox 20 onwards.

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