Streamers live status on website

I read that topic : https://blog.twitch.tv/client-id-required-for-kraken-api-calls-afbb8e95f843#.h4pvaom5p
and it says “Add the Client-ID to the header of your request.”

I got my Client ID, but dont know how to build the full code:

http://jsfiddle.net/LYv3R/638/