jQuery Selector Perf - Right-to-Left (v95)

Revision 95 of this benchmark created by Marco Pfeiffer on

Description

Demonstrating Right To Left Thinking, and validating its performance for this case.

Preparation HTML

<div id="parent">
  <p class="child">
    Why Right to Left Thinking is Good
  </p>
  <p class="child">
    Blah Blah Blah
  </p>
</div>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
"Left to Write" Thinking
$('#parent p');
ready
"Right to Left"
$('#parent').children('p');
ready
Alternate "Right to Left"
$('#parent').find('p');
ready
Using child selector
$('#parent > p');
ready
pure JS
document.getElementById("parent").getElementsByTagName("p");
ready
JS kickstarted jQuery
$(document.getElementById("parent").getElementsByTagName("p"));
ready
Pure JS querySelector
document.querySelector('#parent p');
ready
Pure JS querySelector children
document.querySelector('#parent > p');
ready
Pure JS children
document.getElementById("parent").children
ready

Revisions

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