Coordinates
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The Coordinates.accuracy read-only property is a strictly positive double representing the accuracy, with a 95% confidence level, of the Coordinates.latitude and Coordinates.longitude properties expressed in meters.
The Coordinates.accuracy read-only property is a strictly positive double representing the accuracy, with a 95% confidence level, of the Coordinates.latitude and Coordinates.longitude properties expressed in meters.
MDN
The Coordinates.altitude read-only property is a double representing the altitude of the position in meters, relative to sea level.
The Coordinates.altitude read-only property is a double representing the altitude of the position in meters, relative to sea level. This value is null if the implementation cannot provide this data.
MDN
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.
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.
MDN
The Coordinates.heading read-only property is a double representing the direction in which the device is traveling.
The Coordinates.heading read-only property is a double representing the direction in which the device is traveling. This value, specified in degrees, indicates how far off from heading due north the device is. 0 degrees represents true true north, and the direction is determined clockwise (which means that east is 90 degrees and west is 270 degrees). If Coordinates.speed is 0, heading is NaN. If the device is not able to provide heading information, this value is null.
MDN
The Coordinates.latitude read-only property is a double representing the latitude of the position in decimal degrees.
The Coordinates.latitude read-only property is a double representing the latitude of the position in decimal degrees.
MDN
The Coordinates.longitude read-only property is a double representing the longitude of the position in decimal degrees.
The Coordinates.longitude read-only property is a double representing the longitude of the position in decimal degrees.
MDN
The Coordinates.speed read-only property is a double representing the velocity of the device in meters per second.
The Coordinates.speed read-only property is a double representing the velocity of the device in meters per second. This value is null if the implementation is not able to measure it.
MDN
The Coordinates interface represents the position and attitude of the device on Earth, as well as the accuracy with which these data are computed.
MDN