Characters that can be used as valid labels in JavaScript

⚠ Browser differences

This vector shows what characters are allowed to be used to define a label statement. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/label

Shazzer Elite

Created byhackvertor

Created Apr 30, 2024

Updated May 28, 2025

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CategoryXSS Execution

VisibilityPublic

TypeJS

CharsetUTF-8

Template used:

$[chr]:log($[i])

Sample payloads

$:alert(36)

_:alert(95)

ª:alert(170)

µ:alert(181)

º:alert(186)

ˬ:alert(748)

ˮ:alert(750)

Ϳ:alert(895)

Ά:alert(902)

Ό:alert(908)

ՙ:alert(1369)

ە:alert(1749)

ۿ:alert(1791)

ܐ:alert(1808)

ޱ:alert(1969)

ߺ:alert(2042)

ࠚ:alert(2074)

ࠤ:alert(2084)

ࠨ:alert(2088)

Distributed Fuzzing

Characters that can be used as valid labels in JavaScript

Sample payloads

Fuzz results