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Run results for:
Escape HTML regex vs replace vs textNode vs Option 5
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<iframe src="https://measurethat.net/Embed?id=555508" 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/128.0.0.0 Safari/537.36
Browser:
Chrome 128
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Replace A
909/s
Option node
168/s
Text node
112/s
Replace B
89/s
Replace C
54/s
View exact numbers
Test name
Executions per second
✓
Replace A
909 Ops/sec
Option node
168 Ops/sec
Text node
112 Ops/sec
Replace B
89 Ops/sec
Replace C
54 Ops/sec
Script Preparation code:
window.htmlStr = `<div> <input name="test" value="test" /> <img /> </div>`;
Tests:
Text node
const escapeElement = document.createElement('span'); const escapeTextNode = document.createTextNode(''); escapeElement.append(escapeTextNode); function escape(str) { escapeTextNode.textContent = str; return escapeElement.innerHTML; } let i = 0; for (; i < 10000; i++) { escape(htmlStr); }
Option node
const option = new Option(''); function escape(str) { option.label = str; return option.label; } let i = 0; for (; i < 10000; i++) { escape(htmlStr); }
Replace A
function escape(str) { const E = [ ['&', '&'], ['<', '<'], ['>', '>'], ["'", '''], ['"', '"'], ]; return (v) => E.reduce((r, e) => str.replaceAll(e[0], e[1]), v); } let i = 0; for (; i < 10000; i++) { escape(htmlStr); }
Replace B
function escape(str) { return str.replaceAll('&', '&') .replaceAll('<', '<') .replaceAll('>', '>') .replaceAll("'", ''') .replaceAll('"', '"'); } let i = 0; for (; i < 10000; i++) { escape(htmlStr); }
Replace C
function escape(str) { return ('' + str).replace(/[^\w. ]/gi, c => '&#' + c.charCodeAt(0) + ';') } let i = 0; for (; i < 10000; i++) { escape(htmlStr); }