The Coordinates.altitude read-only property is a double representing the altitude of the position in meters, relative to sea level. This value is null if the implementation cannot provide this data.
alt = coordinates.altitude
| Specification | Status | Comment |
|---|---|---|
| Geolocation API The definition of 'Coordinates.altitude' in that specification. | Recommendation | Initial definition |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 5 | (Yes) | 3.5 (1.9.1) | 9 | 10.60 No support 15.0 16.0 | 5 |
| Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | ? | ? | (Yes) | 4.0 (4) | ? | 10.60 | ? |
Coordinates interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/Coordinates/altitude