Question moved to Feedback, Please ignore (Timing of functions using function.done() looking for best practices)

Question moved to Feedback, Please ignore (Timing of functions using function.done() looking for best practices)
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#1

hi everyone! Please take a look at this pen http://codepen.io/bencarp/pen/qRbKeM/
when I run it I get an error in the console “error: cannot read property ‘done’ of undefined.” I guess the function should return a value which is a promise. But how do I do that?