Does anybody Have Converter Which Convert Javascript to C# Code?

No.

(there are things out there, but it won’t be worth much, I don’t think there is anything like that that works properly anyway)

http://www.m2h.nl/files/js_to_c.php

have a look here:

http://fragileearthstudios.com/2011/10/18/unity-converting-between-c-and-javascript-2/