Run results for: Traverse function vs NodeIterator vs TreeWalker (elements)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

TreeWalker with filter param

2.2M/s

NodeIterator with filter param

1.7M/s

Traverse function

909K/s

TreeWalker with filter function

86K/s

NodeIterator with filter function

82K/s

View exact numbers

Test name	Executions per second
✓ TreeWalker with filter param	2,151,122 Ops/sec
NodeIterator with filter param	1,730,800 Ops/sec
Traverse function	909,014 Ops/sec
TreeWalker with filter function	85,844 Ops/sec
NodeIterator with filter function	82,459 Ops/sec

Script Preparation code:

// language=HTML
const html = `
    <!-- 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 -->
`;
const template = document.createElement('template');
template.innerHTML = html;

window.testTemplate = template;

Tests: