getElementById vs. getElementsByClassName vs. querySelector vs. jQuery (v232)

Revision 232 of this benchmark created by sgraham785 on

Preparation HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/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-par">
    <div id="paz" class="my-paz">
      <span id="baz" class="my-baz">
        Baz
      </span>
    </div>
  </div>
</div>

Test runner

Ready to run.

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

Revisions

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