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。

NetworkInformation.rtt read-only property returns the estimated effective round-trip time of the current connection, rounded to the nearest multiple of 25 milliseconds. This value is based on recently observed application-layer RTT measurements across recently active connections. It excludes connections made to a private address space. If no recent measurement data is available, the value is based on the properties of the underlying connection technology.

注意: 此特征可用于 Web 工作者 .

句法

rtt = NetworkInformation.rtt
					

返回值

A number.

规范

规范 状态 注释
网络信息 API
The definition of 'rtt' in that specification.
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
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
rtt Chrome 61 Edge 79 Firefox No IE No Opera 48 Safari No WebView Android 50 Chrome Android 38 Firefox Android No Opera Android 45 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。

元数据

  • 最后修改: