这是 实验性技术
检查 浏览器兼容性表格 要小心谨慎在生产中使用这之前。

WorkerNavigator.connection 只读特性返回 NetworkInformation object containing information about the system's connection, such as the current bandwidth of the user's device or whether the connection is metered. This could be used to select high definition content or low definition content based on the user's connection.

句法

connectionInfo = self.navigator.connection
					

规范

规范 状态 注释
网络信息 API
The definition of 'Navigator.connection' in that specification.
草案 Initial specification

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
connection Chrome 61 Edge ≤79 Firefox No IE No Opera Yes Safari No WebView Android 50 Chrome Android 38 Firefox Android 53 Opera Android 37 Safari iOS No Samsung Internet Android 3.0

图例

完整支持

完整支持

不支持

不支持

实验。期望将来行为有所改变。

实验。期望将来行为有所改变。

另请参阅

元数据

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