setState is not a function
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SyntaxError: Unexpected Token
Understanding SyntaxError: Unexpected Token
Introduction:
The “SyntaxError: Unexpected Token” is a common JavaScript error that arises from incorrect syntax, such as missing punctuation or misplaced keywords. This error halts code execution, making it important for developers to identify and resolve it quickly. In this overview, we’ll discuss its common causes and troubleshooting tips.
Common Causes of "Unexpected Token" Errors
The Problem:
A SyntaxError occurs when there is a mistake in the syntax of your code. This can be caused by missing brackets, parentheses, or a misplaced comma or semicolon. For example:
let myArray = [1, 2, 3, 4 // SyntaxError: Unexpected end of input
In this example, the closing bracket for the array is missing, which causes the error.
The Solution:
The easiest way to resolve a SyntaxError is by carefully reviewing your code for any missing or misplaced characters. In this case, simply adding the missing bracket will fix the error:
let myArray = [1, 2, 3, 4]; // Corrected code
Make sure to always format your code properly and use tools like linters to catch these issues before they cause runtime errors.
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