getElementsByTagname("*")[0] vs. querySelector("*") (v12)

Revision 12 of this benchmark created on


Description

Tests how quickly you can retrieve a single element on the page using getElementsByTagName("")[0] vs. querySelector("").

Preparation HTML

<ul>
<li><a href="#">Item</a></li><li><a href="#">Item</a></li><li><a href="#">Item</a></li><li><a href="#">Item</a></li><li><a href="#">Item</a></li></ul>
<script>
  var result;
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
Using getElementsByTagName()
result = document.getElementsByTagName("*")[0];
ready
Using querySelector()
result = document.querySelector("*");
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.