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 |
Recommendation |
Browser compatibility
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.