document.getElementsByName-liveness.html

<!DOCTYPE html>
<title>Document.getElementsByName: liveness</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
test(function() {
  var input = document.createElement("input"),
      embed = document.createElement("embed");
  input.setAttribute("name", "test");
  input.setAttribute("type", "text");
  embed.setAttribute("name", "test");
  document.body.appendChild(input);
  this.add_cleanup(function() { document.body.removeChild(input) });
  var e = document.getElementsByName("test");
  assert_true(e instanceof NodeList);
  assert_equals(e.length, 1);

  document.body.appendChild(embed);
  assert_equals(e.length, 2);

  document.body.removeChild(embed);
  assert_equals(e.length, 1);
}, "Document.getElementsByName() should be a live collection");
</script>

chromium/third_party/blink/web_tests/external/wpt/html/dom/documents/dom-tree-accessors/document.getElementsByName/document.getElementsByName-liveness.html