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Run results for:
getElementById vs querySelector vs getElementsByTagName pt. 2
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=502615" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0
Browser:
Firefox 121
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
getElementById
3703569.2 Ops/sec
querySelector element ID
2478033.2 Ops/sec
querySelector tag name
2563641.5 Ops/sec
getElementsByTagName
2198086.5 Ops/sec
HTML Preparation code:
<div id="testElement"></div>
Tests:
getElementById
var el = document.getElementById('testElement'); var className = el.className;
querySelector element ID
var el = document.querySelector('#testElement'); var className = el.className;
querySelector tag name
var el = document.querySelector('div'); var className = el.className;
getElementsByTagName
var el = document.getElementsByTagName('div'); var className = el.className;