test offset jquery vs vanilla

JavaScript performance comparison

Revision 4 of this test case created by truc

Preparation code

<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<div id="element"></div>
    

Preparation code output

<div id="element"></div>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
jquery
var offset = $('#element').offset()
offset.top;
offset.left;
pending…
jquery enhanced
var offset = $(document.getElementById('element')).offset()
offset.top;
offset.left;
pending…
vanilla js
function offset(elt) {
var rect = elt.getBoundingClientRect(), bodyElt = document.body;

return {
  top: rect.top + bodyElt .scrollTop,
  left: rect.left + bodyElt .scrollLeft
}
}
var offsetElt = offset(document.getElementById('element'));
offsetElt.top;
offsetElt.left;
pending…

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Revisions

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