Run results for: Dompurify 2.3.3 vs sanitize-html 1.27.5 vs Js-XSS Latest (Test #1)

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.107 Safari/537.36

Browser: Chrome 92

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Dompurify 2.3.3	462.0 Ops/sec
Sanitize-html 1.27.5	7722.4 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/2.3.3/purify.min.js"></script>
<script src="https://rawgit.com/leizongmin/js-xss/master/dist/xss.js"></script>

Tests:

Dompurify 2.3.3
const testString = ` <b onclick="console.log(0)">Welcome to safeland</b><br> <a draggable="true" ondrag="console.log(1)">test</a> <a id=x tabindex=1 onfocus=console.log(2)>test</a> <a onclick="console.log(3)">test</a> <marquee onstart=console.log(4)></marquee> <x ondrag=console.log(5)>drag this!</x> <title onmouseover="console.log(6)">test</title> <img src/onerror="console.log(7)"> <textarea onclick="console.log(8)">test</textarea> <a href="javascript:console.log(9)">This is fun</a><br> <img src=x onerror="console.log(10)"> <button formaction="javascript:alert(11)" onclick="javascript:alert(12)"></button> <math href="javascript:alert(13)">CLICKME</math> <set attributeName="onmouseover" to="alert(14)"/> <animate attributeName="onunload" to="alert(15)"/> <video autoplay onplay=alert(16)><source src="validvideo.mp4" type="video/mp4"></video> <var onpaste="alert(17)" contenteditable>test</var> <article onmouseout="alert(18)">test</article> <area onclick="alert(19)">test</area> <a onmouseover="alert(20)">test</a> <body onload=alert(21)></body> <html ontouchstart=alert(22)></html> <svg onload=alert(23)> <form action=javascript:alert(24)><input type=submit></form> <audio src/onerror=alert(25)> ` const result = DOMPurify.sanitize(testString)
Sanitize-html 1.27.5
const testString = ` <b onclick="console.log(0)">Welcome to safeland</b><br> <a draggable="true" ondrag="console.log(1)">test</a> <a id=x tabindex=1 onfocus=console.log(2)>test</a> <a onclick="console.log(3)">test</a> <marquee onstart=console.log(4)></marquee> <x ondrag=console.log(5)>drag this!</x> <title onmouseover="console.log(6)">test</title> <img src/onerror="console.log(7)"> <textarea onclick="console.log(8)">test</textarea> <a href="javascript:console.log(9)">This is fun</a><br> <img src=x onerror="console.log(10)"> <button formaction="javascript:alert(11)" onclick="javascript:alert(12)"></button> <math href="javascript:alert(13)">CLICKME</math> <set attributeName="onmouseover" to="alert(14)"/> <animate attributeName="onunload" to="alert(15)"/> <video autoplay onplay=alert(16)><source src="validvideo.mp4" type="video/mp4"></video> <var onpaste="alert(17)" contenteditable>test</var> <article onmouseout="alert(18)">test</article> <area onclick="alert(19)">test</area> <a onmouseover="alert(20)">test</a> <body onload=alert(21)></body> <html ontouchstart=alert(22)></html> <svg onload=alert(23)> <form action=javascript:alert(24)><input type=submit></form> <audio src/onerror=alert(25)> ` const result = sanitizeHtml(testString)
Js-XSS Latest
const testString = ` <b onclick="console.log(0)">Welcome to safeland</b><br> <a draggable="true" ondrag="console.log(1)">test</a> <a id=x tabindex=1 onfocus=console.log(2)>test</a> <a onclick="console.log(3)">test</a> <marquee onstart=console.log(4)></marquee> <x ondrag=console.log(5)>drag this!</x> <title onmouseover="console.log(6)">test</title> <img src/onerror="console.log(7)"> <textarea onclick="console.log(8)">test</textarea> <a href="javascript:console.log(9)">This is fun</a><br> <img src=x onerror="console.log(10)"> <button formaction="javascript:alert(11)" onclick="javascript:alert(12)"></button> <math href="javascript:alert(13)">CLICKME</math> <set attributeName="onmouseover" to="alert(14)"/> <animate attributeName="onunload" to="alert(15)"/> <video autoplay onplay=alert(16)><source src="validvideo.mp4" type="video/mp4"></video> <var onpaste="alert(17)" contenteditable>test</var> <article onmouseout="alert(18)">test</article> <area onclick="alert(19)">test</area> <a onmouseover="alert(20)">test</a> <body onload=alert(21)></body> <html ontouchstart=alert(22)></html> <svg onload=alert(23)> <form action=javascript:alert(24)><input type=submit></form> <audio src/onerror=alert(25)> ` const result = filterXSS(testString)

Run results for: Dompurify 2.3.3 vs sanitize-html 1.27.5 vs Js-XSS Latest (Test #1)

Dompurify 2.3.3

Sanitize-html 1.27.5

Js-XSS Latest