in_head.html - Android社区 - https://www.androidos.net.cn/

<html>
  <!-- This page is meant to load inside the host browser like IE/FF -->
  <head><title>Initialize hidden chrome frame</title>
    <script type="text/javascript" src="chrome_frame_tester_helpers.js">
    </script>
    <script type="text/javascript">
      var g_failure_timeout = null;
      var g_test_id = 1;
      var g_test_name = 'InHead';
      var g_cf3_loaded = false;

      function OnNavigationFailed() {
        onFailure(g_test_name, g_test_id, 'ChromeFrame Navigation failed');
      }

      function OnObjectFocusFailed() {
        appendStatus('chrome frame focus failed');
        onFailure(g_test_name, g_test_id, 'Embed in head test failed');
      }

      function OnFrameMessage(evt) {
        appendStatus('Chrome frame visible and focused');
        if (evt.data == 'btnOnFocus') {
          window.clearTimeout(g_failure_timeout);
          g_failure_timeout = null;
          appendStatus('Chrome frame visible and focused');

          onSuccess(g_test_name, g_test_id);
        }
      }

    function OnFrameLoad() {
      document.ChromeFrame.focus();
    }

    function OnLoad() {
      g_failure_timeout = window.setTimeout(OnObjectFocusFailed, 10000);
    }
    </script>
    <object id="ChromeFrame" width="300" height="80" tabindex="0"
            codebase="http://www.google.com"
            classid="CLSID:E0A900DF-9611-4446-86BD-4B1D47E7DB2A">
      <param name="src" value="simple_object_focus_cf.html">
      <param name="onload" value="OnFrameLoad();">
      <param name="onloaderror" value="OnNavigationFailed();">
      <param name="onmessage" value="OnFrameMessage(arguments[0]);">
      <embed width="300" height="80" name="ChromeFrame"
             type="application/chromeframe"
             src="simple_object_focus_cf.html"
             onload="OnFrameLoad();"
             onloaderror="OnNavigationFailed();"
             onmessage="OnFrameMessage(arguments[0]);">
      </embed>
    </object>
  </head>
  <body onload = "OnLoad();">
    <div id="statusPanel" style="border: 1px solid red; width: 100%">
    Test running....
    </div>
    <div id = "dummy"> </div>
  </body>
</html>