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
<div>
<table id="end" class="end">
<tr>
<td>
<ul>
<li>
1
</li>
<li>
2
</li>
<li>
3
</li>
<li>
4
</li>
<li>
5
</li>
<li>
6
<ul>
<li>
1
</li>
<li>
2
</li>
<li>
2
</li>
<li>
3
<ul class="should-be" id="should-be">
<li>
1
</li>
<li>
2
</li>
<li>
3
</li>
<li id="start" class="start">
4
</li>
<li>
5
</li>
</ul>
</li>
<li>
4
</li>
<li>
5
</li>
</ul>
</li>
<li>
7
</li>
<li>
8
</li>
<li>
9
</li>
<li>
10
</li>
</ul>
</td>
</tr>
</table>
</div>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>var start = $('#start'), shouldBe = $('#should-be'), found;
if(window.console) console.log('found===shouldBe:',found[0]===shouldBe[0]);
Ready to run.
| Test | Ops/sec | |
|---|---|---|
| parents('.should-be') | | ready |
| parents('#should-be') | | ready |
| parents('.should-be:first') | | ready |
| parents('.should-be').first() | | ready |
| parents('ul').first() | | ready |
| closest('ul') | | ready |
| closest('.should-be') | | ready |
| parents('ul:first') | | ready |
| closest('#should-be') | | ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.