Characters allowed as a tag name using DOM APIs

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This shows which characters are allowed as a tag name with the document.createElement API.

Created by: hackvertor

Created on: Friday, June 13, 2025 at 11:10:24 AM

Updated on: Friday, June 13, 2025 at 11:10:24 AM


Vector type: JS

Vector charset: UTF-8

Template used:
try{
document.createElement(String.fromCodePoint($[i]));
log($[i])
} catch{}
Your browser was detected as:
Detecting... Detecting... Detecting... Detecting...

Sample payloads

try{
document.createElement(String.fromCodePoint(58));
alert(58)
} catch{}
try{
document.createElement(String.fromCodePoint(95));
alert(95)
} catch{}
try{
document.createElement(String.fromCodePoint(170));
alert(170)
} catch{}
try{
document.createElement(String.fromCodePoint(186));
alert(186)
} catch{}
try{
document.createElement(String.fromCodePoint(895));
alert(895)
} catch{}
try{
document.createElement(String.fromCodePoint(902));
alert(902)
} catch{}
try{
document.createElement(String.fromCodePoint(908));
alert(908)
} catch{}
try{
document.createElement(String.fromCodePoint(1011));
alert(1011)
} catch{}
try{
document.createElement(String.fromCodePoint(1369));
alert(1369)
} catch{}
try{
document.createElement(String.fromCodePoint(1416));
alert(1416)
} catch{}
try{
document.createElement(String.fromCodePoint(1749));
alert(1749)
} catch{}
try{
document.createElement(String.fromCodePoint(1791));
alert(1791)
} catch{}
try{
document.createElement(String.fromCodePoint(1808));
alert(1808)
} catch{}
try{
document.createElement(String.fromCodePoint(1969));
alert(1969)
} catch{}
try{
document.createElement(String.fromCodePoint(2365));
alert(2365)
} catch{}
try{
document.createElement(String.fromCodePoint(2384));
alert(2384)
} catch{}
try{
document.createElement(String.fromCodePoint(2482));
alert(2482)
} catch{}
try{
document.createElement(String.fromCodePoint(2493));
alert(2493)
} catch{}
try{
document.createElement(String.fromCodePoint(2510));
alert(2510)
} catch{}

Fuzz results

Chrome logo
Chrome 137.0.0.0 desktop macOS 10.15.7

Updated

Fri Jun 13 2025
Found 47129 results
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Firefox logo
Firefox 139.0 desktop macOS 10.15

Updated

Fri Jun 13 2025
Found 34477 results
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Safari logo
Safari 18.5 desktop macOS 10.15.7

Updated

Tue Jun 24 2025
Found 46681 results
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Firefox logo
Firefox 141.0 desktop Windows NT 10.0

Updated

Thu Jul 10 2025
Found 34477 results
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Edge logo
Microsoft Edge 138.0.0.0 desktop Windows NT 10.0

Updated

Sat Jul 26 2025
Found 47129 results
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