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Run results for:
treeWalker param vs treefalker with filter function vs querySelectorAll edit
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<iframe src="https://measurethat.net/Embed?id=591197" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
treeWalker with param
265328.6 Ops/sec
treeWalker with filter function
9579.5 Ops/sec
querySelectorAll
842552.2 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 with param
const treeWalker = document.createTreeWalker( document.body, NodeFilter.SHOW_ELEMENT ); const list = []; while (treeWalker.nextNode()) { list.push(treeWalker.currentNode); }
treeWalker with filter function
const treeWalker = document.createTreeWalker( document.body, NodeFilter.SHOW_ALL, { acceptNode(node) { if (node.nodeType === Node.ELEMENT_NODE | Node.TEXT_NODE) { return NodeFilter.FILTER_ACCEPT; } return NodeFilter.FILTER_REJECT; } } ); const list = []; while (treeWalker.nextNode()) { list.push(treeWalker.currentNode); }
querySelectorAll
const list = document.body.querySelectorAll('*');