Challenge URL : http://challenge01.root-me.org/web-client/ch16/ch16.html
For the above code as we see the variables are in french alphabet with some special values, combined at the end by '()' to decrytp the code .
So the most easy way to decrypt this code is by copying it and pasting it in your browser console, delete the last '()' and hit enter. you then can get the function that contains the password .
Here is a youtube tutorial on how to decrypt the code and solve the challenge