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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

Test case details

Title *

Description
(Markdown syntax is allowed)

Preparation Code

Preparation HTML
(this will be inserted in the <body> of a valid HTML5 document in standards mode)
(useful when testing DOM operations or including libraries)

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>

<div id="context">
<p>Some paragraph</p>
</div>

Setup JS

Teardown JS

Test cases

Test #1

Title *

Async

Code *$('p').live('click', $.noop);

Test #2

Title *

Async

Code *$('p', $('#context')).live('click', $.noop);

Test #3

Title *

Async

Code *$('#context').delegate('p', 'click', $.noop);

Test #4

Title *

Async

Code *$(document).delegate('p', 'click', $.noop);

Test #5

Title *

Async

Code *$('#context').on('click', 'p', $.noop);

Test #6

Title *

Async

Code *$(document).on('click', 'p', $.noop);

Test #7

Title *

Async

Code *$('#context').bind('click', 'p', $.noop);