JavaScript SyntaxError – Unexpected token
This JavaScript exceptions unexpected token occur if a specific language construct was expected, but anything else is typed mistakenly. This could be a simple typing mistake.
Message:
Hey geek! The constant emerging technologies in the world of web development always keeps the excitement for this subject through the roof. But before you tackle the big projects, we suggest you start by learning the basics. Kickstart your web development journey by learning JS concepts with our JavaScript Course. Now at it's lowest price ever!
SyntaxError: expected expression, got "x" SyntaxError: expected property name, got "x" SyntaxError: expected target, got "x" SyntaxError: expected rest argument name, got "x" SyntaxError: expected closing parenthesis, got "x" SyntaxError: expected '=>' after argument list, got "x"
Error Type:
SyntaxError
Cause of Error: There is a simple typing mistake in the code.
Example 1:
HTML
<!DOCTYPE html><html><head> <title>Unexpected Token Error</title></head><body> <script> for (let i = 0; i < 5; ++i) { document.write(i); } </script></body></html> |
Output:
01234
Example 2: There is a typing mistake in the code, So the error occurred.
HTML
<!DOCTYPE html><html><head> <title>Unexpected Token Error</title></head><body> <script> for (let i = 0; i < 5,; ++i) { document.write(i); } </script></body></html> |
Output(in console):
SyntaxError: Unexpected token ';'
