This JavaScript exception illegal character occurs if there is an invalid or unexpected token that doesn’t belong there in the code.
Message:
SyntaxError: Invalid character (Edge) SyntaxError: illegal character (Firefox) SyntaxError: Invalid or unexpected token (Chrome)
Error Type:
SyntaxError
Cause of Error: There is an invalid or unexpected token that doesn’t belong there in the code. Check the code for mismatches like a minus sign ( – ) and a dash ( – ) or simple quotes ( ” ) vs non-standard quotation marks ( “ ).
Example 1: In this example, there is not any mismatch, So the error has not occurred.
Javascript
// Valid token let GFG_colors = [ '#002' , '#353' , '#665' ]; console.log(GFG_colors) |
Output:
#002,#353,#665
Example 2: In this example, there is a token mismatch, So the error has occurred.
Javascript
// Invalid Token let GFG_colors = [ '#002' , '#353' , '#665' ]; console.log(GFG_colors) |
Output(in console):
SyntaxError: Invalid or unexpected token