Run results for: querySelectorAll(':scope > *') vs childNodes

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Linux

Device Platform: Desktop

Date tested: 11 months ago

Benchmark engine: Benchmark.js

childNodes

4.6M/s

querySelectorAll

2.1M/s

View exact numbers

Test name	Executions per second
✓ childNodes	4,581,419 Ops/sec
querySelectorAll	2,093,333 Ops/sec

HTML Preparation code:

<div id='parent'></div>

Script Preparation code:

let p = document.getElementById('parent');
Array(100).forEach(i=>p.append(`<span></span>`));

Tests:

querySelectorAll
document.getElementById('parent').querySelectorAll(':scope > *').forEach((c,i)=>c.textContent=i);
childNodes
document.getElementById('parent').childNodes.forEach((c,i)=>c.textContent=i);