getElementById vs. getElementsByClassName vs. querySelector vs. jQuery (v207)

Revision 207 of this benchmark created on

Preparation HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0-alpha1/jquery.min.js">
</script>
<p id="foo" class="my-foo">
  Foo
</p>
<p id="bar" class="my-bar">
  Bar
</p>
<div id="poo" class="my-poo">
  <div id="par" class="my-bar">
    <div id="paz" class="my-bar">
      <span id="baz" class="my-baz">
        Baz
      </span>
    </div>
  </div>
</div>

Test runner

Ready to run.

Testing in
TestOps/sec
querySelector (ID)
var bar = document.querySelector("#bar");
var poo = document.querySelector("#poo");
ready
jQuery(ID)
var bar = $("#bar");
var poo = $("#poo");
ready
getElementsByClassName
var bar = document.getElementsByClassName("my-bar");
ready
querySelector (Class)
var bar = document.querySelectorAll(".my-bar");
ready
jQuery(Class)
var bar = $(".my-bar");
ready
getElementById
var bar = document.getElementById("bar");
var poo = document.getElementById("poo");
ready

Revisions

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