The z
read-only property of the
Magnetometer
interface returns a double-precision integer containing
the magnetic field around the device's z axis.
If a feature policy blocks use of a feature it is because your code is inconsistent
with the policies set on your server. This is not something that would ever be shown to
a user. See Feature-Policy
for implementation instructions.
Syntax
var magnetometerz = magnetometer.z
Value
A Number
.
Example
The magnetometer is typically read in the Sensor.onreading
event
callback. In the example below this occurs sixty times a second.
let magSensor = new Magnetometer({frequency: 60});
magSensor.addEventListener('reading', e => {
console.log("Magnetic field along the X-axis " + magSensor.x);
console.log("Magnetic field along the Y-axis " + magSensor.y);
console.log("Magnetic field along the Z-axis " + magSensor.z);
});
magSensor.start();
Specifications
Specification | Status | Comment |
---|---|---|
Generic Sensor API | Candidate Recommendation | Defines sensors in general. |
Magnetometer The definition of 'z' in that specification. |
Candidate Recommendation |
Browser compatibility
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