GeolocationCoordinates.altitude

Secure context

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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

Specification Status Comment
Geolocation API
The definition of 'Coordinates.altitude' in that specification.
Recommendation Initial definition

Browser compatibility

BCD tables only load in the browser

See also