Run results for: Dompurify vs sanitize-html vs js-xss

Run details:

User agent: Mozilla/5.0 (Linux; Android 14; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.6998.135 Mobile Safari/537.36

Browser: Chrome Mobile 134

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

js-xss

159K/s

Sanitize HTML

50K/s

DOMPurify

9K/s

View exact numbers

Test name	Executions per second
✓ js-xss	158,504 Ops/sec
Sanitize HTML	49,544 Ops/sec
DOMPurify	8,807 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/sanitize-html/1.27.5/sanitize-html.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/dompurify/2.2.7/purify.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/js-xss/0.3.3/xss.min.js"></script>

Tests:

DOMPurify
const testString = ` Welcome to safeland <a href='javascript:alert(1)'>This is fun</a> <img src=x onerror=console.log(1)> ` const result = DOMPurify.sanitize(testString)
Sanitize HTML
const testString = ` Welcome to safeland <a href='javascript:alert(1)'>This is fun</a> <img src=x onerror=console.log(1)> ` const result = sanitizeHtml(testString)
js-xss
const testString = ` Welcome to safeland <a href='javascript:alert(1)'>This is fun</a> <img src=x onerror=console.log(1)> ` const result = filterXSS(testString)