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Run results for:
jQuery vs getElementById vs querySelector
Comparing speed of getting element by id with jQuery vs Vanilla JS with getElementById and querySelector
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<iframe src="https://measurethat.net/Embed?id=517590" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:124.0) Gecko/20100101 Firefox/124.0
Browser:
Firefox 124
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
2 years ago
getElementById
15.7M/s
jQuery
12.1M/s
querySelector
8.2M/s
View exact numbers
Test name
Executions per second
✓
getElementById
15,693,140 Ops/sec
jQuery
12,135,742 Ops/sec
querySelector
8,194,352 Ops/sec
HTML Preparation code:
<script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.0.min.js"></script> <div id="testElement" class="test class list classes"></div>
Tests:
jQuery
var el = $("#testElement")[0];
getElementById
var el = document.getElementById('testElement');
querySelector
var el = document.querySelector("#testElement");