MOB :- Prac 6A

 

HTML

<button id = "getOrientation">GET ORIENTATION</button>

JAVASCRIPT

document.getElementById("getOrientation").addEventListener("click", getOrientation);

function getOrientation() {

 navigator.compass.getCurrentHeading(compassSuccess, compassError);

function compassSuccess(heading) {

 alert('Heading: ' + heading.magneticHeading);

 setTimeout(function() {

 navigator.compass.clearWatch(watchID);

 }, 10000);

 };

 function compassError(error) {

 alert('CompassError: ' + error.code);

 };

}