String trim whitepace characters

Characters treated as whitespace by String.trim

Novice Fuzzer

Created bypiprett

Created May 16, 2026

Updated May 16, 2026

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CategoryJavaScript Syntax

VisibilityPublic

TypeJS

CharsetUTF-8

Template used:

const c = String.fromCodePoint(i);0x0D
if ((c+"hello"+c).trim() === "hello") log(i);

Sample payloads

const c = String.fromCodePoint(i);0x0D
if ((c+"hello"+c).trim() === "hello") alert(i);