GeolocationCoordinates: altitude property

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The altitude read-only property of the GeolocationCoordinates interface 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.

Value

A double representing the altitude of the position in meters above the WGS84 ellipsoid.

Specifications

Specification
Geolocation API
# altitude-and-altitudeaccuracy-attributes

Browser compatibility

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See also