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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0

Browser: Firefox 119

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
DOMPurify	5405.8 Ops/sec
Sanitize HTML	32783.3 Ops/sec
js-xss	114482.9 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)

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

DOMPurify

Sanitize HTML

js-xss