<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <script>
      var worker = new Worker("WorkerDebugger_frozen_worker2.js");
      worker.onmessage = function () {
        parent.postMessage("ready", "*");
      };
    </script>
  </head>
  <body>
    This is page 2.
  </body>
<html>