is Unity support socket javascpt client

i have plan to use javscript client to access my socket server, is that possible in unity? why? and what the better using c# or js in unity? please explain to me i’m newbie for this.
thanks you

If someone still needs examples, you may try FMETP STREAM | Forum
It provides Streaming Demo with UDP/TCP/WebSocket solution, and Web browser demo with Socket.IO. They are tested with .Net4.0 & .Net2.0.

All source code are written in C# and easy to modify.

Supported: Android/iOS/Mac/PC