jsPerf.app is an online JavaScript performance benchmark test runner & jsperf.com mirror. It is a complete rewrite in homage to the once excellent jsperf.com now with hopefully a more modern & maintainable codebase.
jsperf.com URLs are mirrored at the same path, e.g:
https://jsperf.com/negative-modulo/2
Can be accessed at:
https://jsperf.app/negative-modulo/2
Will the battle never end?
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div class="null">
</div>
<div class="null">
<div class="null">
</div>
<div class="null">
</div>
</div>
<div class="null">
</div>
<div class="null">
</div>
<div class="null">
</div>
<div id="a">
<div class="null">
</div>
<div class="null">
</div>
<div class="null">
</div>
<div class="a">
<div class="c">
<div class="null">
</div>
<div class="null">
</div>
<div id="null">
</div>
<div class="b">
</div>
<div class="null">
</div>
</div>
<div class="null">
</div>
<div class="null">
</div>
</div>
<div class="null">
</div>
<div class="null">
</div>
<div class="null">
</div>
</div>
var $a = $('#a'),
$b = $a.find('.b');
Ready to run.
Test | Ops/sec | |
---|---|---|
Selector |
| ready |
Context |
| ready |
.find() |
| ready |
Cached .find() |
| ready |
Cached Context |
| ready |
Speed .find() Without Container |
| ready |
Speed .find() With Container |
| ready |
Selector Without Container |
| ready |
.children() |
| ready |
Cached .children() |
| ready |
CSS Selector |
| ready |
Cached .find() |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.