Screen.availWidth property returns the amount of horizontal space (in pixels) available to the window.

句法

var width = window.screen.availWidth
					

范例

var screenAvailWidth = window.screen.availWidth;
console.log(screenAvailWidth);
					

规范

规范 状态 注释
CSSOM (CSS 对象模型) 视图模块
The definition of 'Screen.availWidth' in that specification.
工作草案 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
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Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
availWidth Chrome Yes Edge 12
12
Always reflects the main screen.
Firefox Yes IE ? Opera Yes Safari 6 WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes

图例

完整支持

完整支持

兼容性未知 ?

兼容性未知

见实现注意事项。

元数据

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