ohall-m.github.io/watchposition.html at main · ohall-m/ohall-m.github.io · GitHub

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<!DOCTYPE html>
<html>

    <head>Test Website</head>
    <body>
       <h1>Test Geolocation Get Watch Position</h1>
       <button id="getLocButton" type="button" onclick="getPosition()">Get Watch Position</button>
       <ul id="locations">
       </ul>
    </body>
</html>

<script>
  const geolocationOptions = {
    enableHighAccuracy: true,
  };

  function success(pos) {
    const crd = pos.coords;
    const ul = document.getElementById('locations');
    let li = document.createElement('li');
    li.innerHTML = `Lat: ${crd.latitude} Lon: ${crd.longitude} Acc: ${crd.accuracy}`;
    ul.appendChild(li);
  }

  function error(err) {
    console.warn(`ERROR(${err.code}): ${err.message}`);
  }

  function getPosition(){
    console.log("Get Watch Position");
    navigator.geolocation.watchPosition(success, error, geolocationOptions);
  }
</script>