Content - 332c3060f1a94bd2e339ee18aef80d07a6043325 - b44a1b6/dom/nodes/Element-getElementsByClassName.html

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Tip revision: 3f22183d3bffb9754c54f97561ab38652779cdcf authored by Tim Dresser on 24 November 2017, 18:49:58 UTC
Deliver PerformanceEntries when the main thread is idle.

Tip revision: 3f22183

Element-getElementsByClassName.html

<!DOCTYPE html>
<title>Element.getElementsByClassName</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
test(function() {
  var a = document.createElement("a"), b = document.createElement("b")
  b.className = "foo"
  a.appendChild(b)
  var list = a.getElementsByClassName("foo")
  assert_array_equals(list, [b])
  var secondList = a.getElementsByClassName("foo")
  assert_true(list === secondList || list !== secondList, "Caching is allowed.")
}, "getElementsByClassName should work on disconnected subtrees.")
test(function() {
  var list = document.getElementsByClassName("foo")
  assert_false(list instanceof NodeList, "NodeList")
  assert_true(list instanceof HTMLCollection, "HTMLCollection")
}, "Interface should be correct.")
</script>

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