write-active-document.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/webappapis/dynamic-markup-insertion/document-write/write-active-document.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>document.write only writes to active documents</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body><div id="log"></div></body>

<script>

  async_test(function(t) {

    var child = document.createElement("iframe");

    child.src = "empty.html?1";

    child.onload = t.step_func(function() {

      var child1 = child.contentDocument;

      var link = child1.createElement("a");

      link.href = "data:text/html,Clicked.";

      link.innerText = "Link.";

      child1.body.appendChild(link);

      var grandchild = child1.createElement("iframe");

      grandchild.src = "empty.html?2";

      grandchild.onload = t.step_func(function() {

        var grandchild1 = grandchild.contentDocument;

        child.onload = t.step_func(function() {

          // This is a write to an inactive document

          child1.write('WRITE HAPPENED');

          assert_equals(child1.body.lastChild.tagName, "IFRAME");

          // This is a write to an active but not fully active document

          grandchild1.write('WRITE HAPPENED');

          assert_equals(grandchild1.body.innerHTML, "WRITE HAPPENED");

          t.done();

});

        link.click();

});

      child1.body.appendChild(grandchild);

});

    document.body.appendChild(child);

});

</script>