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
<script src="http://wicked-good-xpath.googlecode.com/files/wgxpath.install.js"></script>
<script>wgxpath.install();
function verify(o) {
var len = o.length || o.snapshotLength;
if(len!==1)
throw "Borked output: expected one result, not "+len+".";
var el = o.snapshotItem?o.snapshotItem(0):o[0];
if(el.getAttribute("data-note") !== 'target')
throw "Borked output: found wrong element.";
}
</script>
<div class='adiv'>
test text inside a div!
</div>
<div class='adiv'>
test text inside a div!
</div>
<div>
<div>
<div class='thediv'>
test test test test test test
<span data-note="target">
this is a span
</span>
</div>
</div>
</div>
<div class='thediv'>
test text inside a div!
</div>
<div class='adiv'>
test text inside a div!
</div>
<div>
<div>
<div class='thediv'>
test text inside a div!
</div>
</div>
</div>
<h1>HTML Ipsum Presents</h1>
<p><strong>Pellentesque habitant morbi tristique</strong> senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. <em>Aenean ultricies mi vitae est.</em> Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra. Vestibulum erat wisi, condimentum sed, <code>commodo vitae</code>, ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros ipsum rutrum orci, sagittis tempus lacus enim ac dui. <a href="#">Donec non enim</a> in turpis pulvinar facilisis. Ut felis.</p>
<h2>Header Level 2</h2>
<ol>
<li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li>
<li>Aliquam tincidunt mauris eu risus.</li>
</ol>
<blockquote><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus magna. Cras in mi at felis aliquet congue. Ut a est eget ligula molestie gravida. Curabitur massa. Donec eleifend, libero at sagittis mollis, tellus est malesuada tellus, at luctus turpis elit sit amet quam. Vivamus pretium ornare est.</p></blockquote>
<h3>Header Level 3</h3>
<ul>
<li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li>
<li>Aliquam tincidunt mauris eu risus.</li>
</ul>
<pre><code>
#header h1 a {
display: block;
width: 300px;
height: 80px;
}
</code></pre>
Ready to run.
Test | Ops/sec | |
---|---|---|
XPath 1 |
| ready |
querySelectorAll 1 |
| ready |
querySelectorAll 2 |
| ready |
XPath 2 |
| ready |
XPath 3 |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.