Run results for: children vs querySelectorAll scope

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

children

95K/s

querySelectorAll scope

81K/s

View exact numbers

Test name	Executions per second
✓ children	95,016 Ops/sec
querySelectorAll scope	81,380 Ops/sec

HTML Preparation code:

<div class="container">
  <ul>
    <li class="item">Item 1</li>
    <li class="item">Item 2</li>
    <li>Item 3</li>
  </ul>
</div>

Tests:

children
const container = document.querySelector('.container > ul'); const items = container.children; console.log(container, items);
querySelectorAll scope
const container = document.querySelector('.container > ul'); const items = container.querySelectorAll(':scope > *'); console.log(container, items);