GeolocationCoordinates: speed property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The speed read-only property of the GeolocationCoordinates interface 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.

Value

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

Specifications

Specification
Geolocation
# speed-attribute

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
speed

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
Has more compatibility info.

See also