Errors, errors everywhere.
- RangeError: argument is not a valid code point
- RangeError: invalid array length
- RangeError: precision is out of range
- RangeError: radix must be an integer
- RangeError: repeat count must be less than infinity
- RangeError: repeat count must be non-negative
- SyntaxError: Malformed formal parameter
- TypeError: "x" is read-only
- Warning: unreachable code after return statement