GeolocationCoordinates.altitude

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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
Geolocation API Specification 2nd Edition
# altitude-and-altitudeaccuracy-attributes

Browser compatibility

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See also