HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>WorkerLocation.hostname blob</title>
</head>
<body>
  <pre id="out">Waiting...</pre>
  <script>
    var code = "self.postMessage({ hostname: location.hostname, protocol: location.protocol, isEmpty: location.hostname === '' });";
    var url = URL.createObjectURL(new Blob([code], { type: "application/javascript" }));
    var worker = new Worker(url);
    worker.onmessage = function (event) {
      var d = event.data;
      document.getElementById("out").textContent =
        'hostname: "' + d.hostname + '"\nprotocol: ' + d.protocol + '\nisEmpty: ' + d.isEmpty;
      worker.terminate();
      URL.revokeObjectURL(url);
    };
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

WorkerLocation.hostname — blob empty (Try It)