HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Geolocation errors</title>
</head>
<body>
  <h1>Error handling</h1>
  <button type="button" id="btn">Get Location</button>
  <p id="msg"></p>
  <script>
    document.getElementById('btn').onclick = function () {
      var msg = document.getElementById('msg');
      if (!navigator.geolocation) {
        msg.textContent = 'Geolocation not supported.';
        return;
      }
      navigator.geolocation.getCurrentPosition(
        function () { msg.textContent = 'Success!'; },
        function (err) {
          if (err.code === 1) msg.textContent = 'Please allow location access.';
          else if (err.code === 3) msg.textContent = 'Timed out — try again.';
          else msg.textContent = 'Error: ' + err.message;
        }
      );
    };
  </script>
</body>
</html>

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Geolocation — Error Handling