Run results for: querySelectorAll().forEach vs arrayFrom(getElementsByClassName).forEach

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0

Browser: Chrome 129

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

querySelectorAll

49K/s

getElementsByClassName

41K/s

View exact numbers

Test name	Executions per second
✓ querySelectorAll	49,406 Ops/sec
getElementsByClassName	41,404 Ops/sec

HTML Preparation code:

<div class="name"></div>
<div class="name"></div>
<div class="name"></div>

Tests:

querySelectorAll
document.querySelectorAll(".name").forEach((e, i) => { console.log(e) })
getElementsByClassName
Array.from(document.getElementsByClassName("name")).forEach((e, i) => { console.log(e) })