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

Run details:

User agent: Mozilla/5.0 (Linux; Android 4.4.2; GT-N8000) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36

Browser: Chrome 81

Operating system: Android 4.4.2

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

TreeWalker with filter param

46K/s

NodeIterator with filter param

44K/s

Traverse function

15K/s

TreeWalker with filter function

2K/s

NodeIterator with filter function

2K/s

View exact numbers

Test name	Executions per second
✓ TreeWalker with filter param	45,936 Ops/sec
NodeIterator with filter param	44,407 Ops/sec
Traverse function	14,717 Ops/sec
TreeWalker with filter function	2,467 Ops/sec
NodeIterator with filter function	2,367 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: