JavaScript::Error - Encapsulates errors thrown from JavaScript
The cause of the exception.
The name of the file that the caused the exception.
The line number in the file that caused the exception.
A stringification of the exception in the format $message at $line in $file
Returns the stacktrace for the exception as a list of hashrefs containing function,
file and lineno.
This class overloads stringification an will return the result from the method as_string.
