This JavaScript exception identifier starts immediately after a numeric literal occurs if an identifier starts with a number.
Message:
SyntaxError: Unexpected identifier after numeric literal
(Edge)
SyntaxError: identifier starts immediately after numeric
literal (Firefox)
SyntaxError: Unexpected number (Chrome)
Error Type:
SyntaxError
Cause of Error: Any JavaScript identifier should start with a letter, underscore (_), or a dollar sign ($). If they start with a digit(0-9), it will cause an error.
Example 1: In this example, there is a valid identifier, So the error has not occurred.
Javascript
// valid identifierlet GFG = 'This is neveropen';console.log(GFG) |
Output:
This is neveropen
Example 2: In this example, there is an identifier starting with a digit(1), So the error has occurred.
Javascript
// Invalid identifierlet 1GFG = 'This is GeeksForGeeks';console.log(1GFG) |
Output(in console):
SyntaxError: Invalid or unexpected token
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