安全上下文
此特征只可用于 安全上下文 (HTTPS),在某些或所有 支持浏览器 .

GeolocationCoordinates.speed read-only property is a double representing the velocity of the device in meters per second. This value is null if the implementation is not able to measure it.

句法

let speed = geolocationCoordinatesInstance.speed
					

A double representing the velocity of the device in meters per second.

规范

规范 状态 注释
地理位置 API
The definition of 'GeolocationCoordinates.speed' in that specification.
推荐 最初的规范。

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
speed Chrome 5 Edge 12 Firefox 3.5 IE 9 Opera 16
16
不支持 10.6 — 15
Safari 5 WebView Android 37 Chrome Android 18 Firefox Android 4 Opera Android 16
16
不支持 11 — 14
Safari iOS ? Samsung Internet Android 1.0

图例

完整支持

完整支持

兼容性未知 ?

兼容性未知

另请参阅

元数据

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