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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/jquery.min.js"></script>
<div id="el" class="class"></div>
<script>
  var i = 0,
      el = document.getElementById('el'),
      $elId = $('#el'),
      $elClass = $('.class');
</script>

Setup JS

Teardown JS

Test cases

Test #1

Title *

Async

Code *$.data(el, 'key-' + Math.floor(Math.random() * 1001), 'val-' + Math.floor(Math.random() * 1001));

Test #2

Title *

Async

Code *$elClass.data('key-' + Math.floor(Math.random() * 1001), 'val-' + Math.floor(Math.random() * 1001));

Test #3

Title *

Async

Code *$.data($elClass, 'key-' + Math.floor(Math.random() * 1001), 'val-' + Math.floor(Math.random() * 1001));

Test #4

Title *

Async

Code *$elId.data('key-' + Math.floor(Math.random() * 1001), 'val-' + Math.floor(Math.random() * 1001));

Test #5

Title *

Async

Code *$.data($elId, 'key-' + Math.floor(Math.random() * 1001), 'val-' + Math.floor(Math.random() * 1001));