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Run results for:
querySelector vs getElementById & getElementsByClassName
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Browser:
Chrome 129
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
query selector
3682076.0 Ops/sec
id & class
3265348.2 Ops/sec
HTML Preparation code:
<div id = "test"><div class="test"></div></div>
Tests:
query selector
document.querySelector('#test .test')
id & class
document.getElementById('test').getElementsByClassName('test')