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

The Coordinates.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.

Syntax

speed = coordinates.speed

Specifications

Specification Status Comment
Geolocation API
The definition of 'Coordinates.speed' in that specification.
Recommendation Initial specification.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome Full support 5Edge Full support YesFirefox Full support 3.5IE Full support 9Opera Full support 16
Full support 16
No support 10.6 — 15
Safari Full support 5WebView Android ? Chrome Android ? Edge Mobile Full support YesFirefox Android Full support 4Opera Android Full support 10.6Safari iOS ? Samsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown

See also

Document Tags and Contributors

Contributors to this page: fscholz, chrisdavidmills, erikadoyle, Sebastianz, tregagnon, teoli
Last updated by: fscholz,