To be able to see output from console.log() in JSFiddle, go to External Resources on the left-side panel and add the following link for Firebug:
https://getfirebug.com/firebug-lite-debug.js

To be able to see output from console.log() in JSFiddle, go to External Resources on the left-side panel and add the following link for Firebug:
https://getfirebug.com/firebug-lite-debug.js
