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Run results for:
querySelectorAll foreach vs getElementsByClassName [].forEach.call() 2
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=497653" 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
querySelectorAll foreach
959233.2 Ops/sec
getElementsByClassName [].forEach.call()
1207202.8 Ops/sec
Array.prototype
1184345.1 Ops/sec
Array.from
635580.1 Ops/sec
HTML Preparation code:
<div class="test"></div> <div class="test"></div> <div class="test"></div> <div class="test"></div> <div class="test"></div> <div class="test"></div> <div class="test"></div> <div class="test"></div> <div class="test"></div>
Tests:
querySelectorAll foreach
var test = document.querySelectorAll(".test"); test.forEach(el => { var t = el; });
getElementsByClassName [].forEach.call()
var test = document.getElementsByClassName("test"); [].forEach.call(test, el => { var t = el; });
Array.prototype
var test = document.getElementsByClassName("test"); Array.prototype.forEach.call(test, el => { var t = el; });
Array.from
var test = document.querySelectorAll(".test"); Array.from(test).forEach(el => { var t = el; });