Check out a free preview of the full React.js (with Introduction to Flux Architecture) course:
The "Exercise 4: Solution" Lesson is part of the full, React.js (with Introduction to Flux Architecture) course featured in this preview video. Here's what you'd learn in this lesson:
Ryan demonstrates the solution to Exercise 4. He also talks a little more in detail about why you would want the parent to control which tab is active and answers a few audience questions.