Secure context
This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The Coordinates.altitudeAccuracy read-only property is a strictly positive double representing the accuracy, with a 95% confidence level, of the altitude expressed in meters. This value is null if the implementation doesn't support measuring altitude.
altAcc = coordinates.altitudeAccuracy
| Specification | Status | Comment |
|---|---|---|
| Geolocation API The definition of 'Coordinates.altitudeAccuracy' in that specification. | Recommendation | Initial specification. |
| 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) |
Coordinates interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/Coordinates/altitudeAccuracy