Click here to navigate the course.
Drag the edges to resize the window.
In Projects, you can keep track of your progress as you go throught the tasks. Check each item as you complete it!
Great! Each time you click on the number of likes, the number goes up. How does it work?
Notice that the plusOne() doesn't interact with the view at all; it just updates the controller. Any change made to the controller shows up in the view.