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CSS interface holds useful CSS-related methods. No objects with this interface are implemented: it contains only static methods and is therefore a utilitarian interface.

特性

The CSS interface is a utility interface and no object of this type can be created: only static properties are defined on it.

静态特性

CSS.paintWorklet 安全上下文

Provides access to the Worklet responsible for all the classes related to painting.

方法

The CSS interface is a utility interface and no object of this type can be created: only static methods are defined on it.

静态方法

No inherited static methods .

CSS.registerProperty()
注册 custom properties , allowing for property type checking, default values, and properties that do or do not inherit their value.
CSS.supports()
返回 布尔 indicating if the pair property-value , or the condition, given in parameter is supported.
CSS.escape()

Can be used to escape a string mostly for use as part of a CSS selector.

CSS factory functions
Can be used to return a new CSSUnitValue with a value of the parameter number of the units of the name of the factory function method used. 
CSS.em(3) // CSSUnitValue {value: 3, unit: "em"}

规范

规范 状态 注释
CSS Painting API Level 1
The definition of 'paintWorklet' in that specification. 		工作草案 添加 paintWorklet static property.
CSS Object Model (CSSOM)
The definition of 'CSS' in that specification. 		工作草案 添加 escape() 静态方法。
CSS Conditional Rules Module Level 3
The definition of 'CSS' 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
CSS Chrome 28 Edge ≤18 Firefox 22
22
20 Disabled
Disabled From version 20: this feature is behind the layout.css.supports-rule.enabled preference. To change preferences in Firefox, visit about:config.
IE No Opera 12.1 Safari 10 WebView Android 4.4 Chrome Android 28 Firefox Android 22
22
20 Disabled
Disabled From version 20: this feature is behind the layout.css.supports-rule.enabled preference. To change preferences in Firefox, visit about:config.
Opera Android 12.1 Safari iOS Yes Samsung Internet Android 1.5
Hz Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
Q Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
ch Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
cm Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
deg Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
dpcm Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
dpi Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
dppx Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
em Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
escape Chrome 46 Edge 79 Firefox 31 IE No Opera 33 Safari 10 WebView Android 46 Chrome Android 46 Firefox Android 31 Opera Android 33 Safari iOS 10 Samsung Internet Android 5.0
ex Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
fr Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
grad Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
ic Chrome No Edge No Firefox No IE No Opera No Safari No WebView Android No Chrome Android No Firefox Android No Opera Android No Safari iOS No Samsung Internet Android No
in Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
kHz Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
lh Chrome No Edge No Firefox No IE No Opera No Safari No WebView Android No Chrome Android No Firefox Android No Opera Android No Safari iOS No Samsung Internet Android No
mm Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
ms Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
编号 Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
paintWorklet Chrome 65 Edge 79 Firefox ? IE No Opera 52 Safari No WebView Android 65 Chrome Android 65 Firefox Android ? Opera Android 47 Safari iOS No Samsung Internet Android 9.0
pc Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
percent Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
pt Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
px Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
rad Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
registerProperty Chrome 78 Edge 79 Firefox No IE No Opera 65 Safari No WebView Android 78 Chrome Android 78 Firefox Android No Opera Android No Safari iOS No Samsung Internet Android 12.0
rem Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
rlh Chrome No Edge No Firefox No IE No Opera No Safari No WebView Android No Chrome Android No Firefox Android No Opera Android No Safari iOS No Samsung Internet Android No
s Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
supports Chrome 61
61
部分支持 28
Version 60 or older didn't support parentheses-less one-argument version.
Edge 部分支持 12
部分支持 12
Edge doesn't support parentheses-less one-argument version.
Firefox 55
55
部分支持 22
Version 54 or older didn't support parentheses-less one-argument version.
部分支持 20 Disabled
Disabled From version 20: this feature is behind the layout.css.supports-rule.enabled preference. To change preferences in Firefox, visit about:config.
IE No Opera 12.1 Safari 10 WebView Android 61
61
部分支持 37
Version 60 or older didn't support parentheses-less one-argument version.
Chrome Android 61
61
部分支持 28
Version 60 or older didn't support parentheses-less one-argument version.
Firefox Android 55
55
部分支持 22
Version 54 or older didn't support parentheses-less one-argument version.
部分支持 20 Disabled
Disabled From version 20: this feature is behind the layout.css.supports-rule.enabled preference. To change preferences in Firefox, visit about:config.
Opera Android 12.1 Safari iOS Yes Samsung Internet Android 8.0
8.0
部分支持 1.5
Samsung Internet 8.0 or older didn't support parentheses-less one-argument version.
turn Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
vb Chrome No Edge No Firefox No IE No Opera No Safari No WebView Android No Chrome Android No Firefox Android No Opera Android No Safari iOS No Samsung Internet Android No
vh Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
vi Chrome No Edge No Firefox No IE No Opera No Safari No WebView Android No Chrome Android No Firefox Android No Opera Android No Safari iOS No Samsung Internet Android No
vmax Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
vw Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0
wmin Chrome 66 Edge 79 Firefox No IE No Opera 53 Safari No WebView Android 66 Chrome Android 66 Firefox Android No Opera Android 47 Safari iOS No Samsung Internet Android 9.0

图例

完整支持

完整支持

部分支持

部分支持

不支持

不支持

兼容性未知 ?

兼容性未知

实验。期望将来行为有所改变。

实验。期望将来行为有所改变。

见实现注意事项。

用户必须明确启用此特征。

用户必须明确启用此特征。

另请参阅

元数据

  • 最后修改：
  1. CSS Object Model
  2. CSS
  3. 特性
    1. paintWorklet (Static property)
  4. 方法
    1. escape()
    2. supports()
  5. Related pages for CSSOM
    1. AnimationEvent
    2. CSSConditionRule
    3. CSSGroupingRule
    4. CSSKeyframeRule
    5. CSSKeyframesRule
    6. CSSMediaRule
    7. CSSNamespaceRule
    8. CSSPageRule
    9. CSSRule
    10. CSSRuleList
    11. CSSStyleDeclaration
    12. CSSStyleRule
    13. CSSStyleSheet
    14. CSSSupportsRule
    15. CaretPosition
    16. LinkStyle
    17. MediaQueryList
    18. MediaQueryListListener
    19. Screen
    20. StyleSheet
    21. StyleSheetList
    22. TransitionEvent

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