JAVASCRIPTWarningSyntax ErrorApril 26, 2026

Syntax Error

Unexpected token ILLEGAL, expected }

What This Error Means

This error occurs when the JavaScript interpreter encounters an invalid or unexpected token in the code. In this case, it's expecting a closing bracket (}) but instead finds an 'ILLEGAL' token.

Why It Happens

This error happens because the code contains an invalid character or sequence of characters. It can be caused by a typo, a missing closing bracket, or an incorrectly encoded file.

How to Fix It

  1. 1To fix this error, check for any typos or missing closing brackets in the code. Make sure that there are no unnecessary characters or line breaks in the code. If the code is in a file, try saving it with a different encoding or in a plain text editor.

Example Code Solution

❌ Before (problematic code)
JavaScript
'use strict'
let user = {
  name: John,
  age: 30,
  occupation: developer
}
✅ After (fixed code)
JavaScript
'use strict'
let user = {
  name: 'John',
  age: 30,
  occupation: 'developer'
}

Fix for Unexpected token ILLEGAL, expected }

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