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
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari | 
|---|---|---|---|---|---|---|
| Basic support | 5 | (Yes) | 3.5 (1.9.1) | 9 | 10.60 Removed in 15.0 Reintroduced in 16.0 | 5 | 
| Secure context-only | 47 | ? | 55 (55) | No support | (Yes) | (Yes) | 
| Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | 
|---|---|---|---|---|---|---|---|
| Basic support | ? | ? | (Yes) | 4.0 (4) | ? | 10.60 | ? | 
| Secure context-only | No support | 47 | ? | 55 (55) | No support | (Yes) | (Yes) | 
See also
- Using geolocation
- The Coordinatesinterface it belongs to.