Secure context
This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
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 |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 5 | Yes | 3.5 | 9 | 16
|
5 |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | ? | ? | Yes | 4 | 10.6 | ? | ? |
Coordinates interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/Coordinates/altitude