GeolocationCoordinates.altitude
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The GeolocationCoordinates.altitude read-only property is a double representing the altitude of the position in meters above the WGS84 ellipsoid (which defines the nominal sea level surface). This value is null if the implementation cannot provide this data.
Syntax
let alt = geolocationCoordinatesInstance.altitude
Value
A double representing the altitude of the position in meters above the WGS84 ellipsoid.
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
altitude |
5 |
12 |
3.5 |
9 |
16
10.6-15
|
5 |
≤37 |
18 |
4 |
16
11-14
|
≤3 |
1.0 |
See also
- Using the Geolocation API
- The
GeolocationCoordinatesinterface it belongs to. - National Imagery and Mapping Agency Technical Report 8350.2, Third Edition (WGS84)
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/GeolocationCoordinates/altitude