Characters that act as array literals

⚠ Browser differences

This vector uses a tricky eval() to determine what characters act as array literals in JavaScript. It uses the iteration position as one character and the iteration position plus two for the other character.

Shazzer Elite

Created byhackvertor

Created Jun 24, 2024

Updated May 28, 2025

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CategoryJavaScript Syntax

VisibilityPublic

TypeJS

CharsetUTF-8

Template used:

eval("let array =  "+String.fromCodePoint(i,i+2)+";Array.isArray(array)&&log(String($[i]"+"+'-'+"+(i+2)+"))")

Sample payloads

eval("let array =  "+String.fromCodePoint(i,i+2)+";Array.isArray(array)&&alert(String(0"+"+'-'+"+(i+2)+"))")

Distributed Fuzzing

Characters that act as array literals

Sample payloads

Fuzz results