Run results for: QuerySelector vs QuerySelectorAll + forEach for 1 element

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

QuerySelector

324K/s

QuerySelectorAll + ForEach

284K/s

View exact numbers

Test name	Executions per second
✓ QuerySelector	323,930 Ops/sec
QuerySelectorAll + ForEach	283,806 Ops/sec

HTML Preparation code:

<div id='hello'></div>
<div id='there'></div>

Tests:

QuerySelector
console.log(document.querySelector('#hello'));
QuerySelectorAll + ForEach
document.querySelectorAll('#hello').forEach((el) => { console.log(el); });