This Lesson is for PRO Members.

Subscribe today and get access to all lessons! Plus direct HD download
for offline use, member comment forums, and iTunes "podcast" RSS feed.
Level up your skills now!

UNLOCK THIS LESSON

Already subscribed? Sign In

HIDE PLAYLIST

Use the map operator instead of firing events on a Subject


In this lesson we will learn how to replace excessive subscribing and Subject emissions with simple uses of the map operator, simplifying our code and making it less bug-prone.