Run results for: Traverse function vs NodeIterator vs TreeWalker - with TEXT and 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

Traverse function

3.0M/s

NodeIterator with filter param

2.3M/s

TreeWalker with filter param

2.0M/s

TreeWalker with filter function

259K/s

NodeIterator with filter function

246K/s

View exact numbers

Test name	Executions per second
✓ Traverse function	2,988,428 Ops/sec
NodeIterator with filter param	2,317,992 Ops/sec
TreeWalker with filter param	1,979,450 Ops/sec
TreeWalker with filter function	258,670 Ops/sec
NodeIterator with filter function	246,433 Ops/sec

Script Preparation code:

// language=HTML
const html = `
    <div>
      <p>This is some random text.</p>
      <div>
        <p>This is more random text with <span>SPAN ELEMENT</span> inside.</p>
      </div>
    </div>
`;
const template = document.createElement('template');
template.innerHTML = html;

window.testTemplate = template;

window.testTraverse = function traverse(node, use) {
    if (!node) return;

    use(node);
    traverse(node.firstChild, use);
    traverse(node.nextSibling, use);
}

Tests: