Codebase Browser
chromium
Go to App

chromium/content/test/data/accessibility/event/iframe-src-changed.html 

<!--
@AURALINUX-DENY:STATE-CHANGE:DEFUNCT:TRUE*
@AURALINUX-DENY:CHILDREN-CHANGED:*
-->
<!DOCTYPE html>
<html>
<head><title>Outer Document</title></head>
<body>
<iframe id="iframe"></iframe>
<script>
  var go_passes = [
    () => document.getElementById("iframe").srcdoc =
      "<head><title>Inner Document 1</title></head><body>foo</body>",
    () => document.getElementById("iframe").srcdoc =
      "<head><title>Inner Document 2</title></head><body>bar</body>",
  ];

  var current_pass = 0;
  function go() {
    go_passes[current_pass++].call();
    return current_pass < go_passes.length;
  }
</script>
</body>
</html>