What This Error Means
This error occurs when JavaScript encounters a syntax it doesn't understand or expects a different token than what it found.
Why It Happens
It can happen when you forget to wrap a string in quotes, use a reserved keyword as a variable name, or have mismatched or missing brackets, parentheses, or semicolons.
How to Fix It
- 1To fix this error, identify the line of code and the character that's causing the issue. Check for any missing or mismatched brackets, parentheses, or semicolons. Ensure that all string literals are properly quoted and that reserved keywords are not used as variable names.
Example Code Solution
❌ Before (problematic code)
JavaScript
function foo = bar() {
let baz = 'hello'
console.log(baz
)
}✅ After (fixed code)
JavaScript
function foo() {
let baz = 'hello'
console.log(baz)
}Fix for SyntaxError: Invalid or unexpected token
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