Run results for: TreeWalker for loop/(filter) vs querySelectorAll (filter ) 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; rv:106.0) Gecko/20100101 Firefox/106.0

Browser: Firefox 106

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
TreeWalker	281445.7 Ops/sec
querySelectorAll	449552.9 Ops/sec

HTML Preparation code:

<!-- article out start -->
<article>
  <!-- article in start -->
  <h1>Lorem ipsum</h1>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cumque, nostrum.</p>
  <!-- article in end -->
</article>
<!-- article out end -->

<!-- article out start -->
<article>
  <!-- article in start -->
  <h1>Lorem ipsum</h1>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cumque, nostrum.</p>
  <!-- article in end -->
</article>
<!-- article out end -->

<!-- article out start -->
<article>
  <!-- article in start -->
  <h1>Lorem ipsum</h1>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cumque, nostrum.</p>
  <!-- article in end -->
</article>
<!-- article out end -->

Tests:

TreeWalker
const treeWalker = document.createTreeWalker( document.body, NodeFilter.SHOW_ELEMENT, () => node.nodeName == "H1" ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_REJECT , false ); for(let element; element; element = treeWalker.nextNode()) { element.className = 'new Class' }
querySelectorAll
const list = document.body.querySelectorAll('h1'); for(let i = 0, len = list.length ; i < len ; i++){ list[i].className = 'new Class' }