Youre going to get the hang of jQuery in less time than you might expect. And the knowledge will stick. Why? Because this isnt just a book. Its a book plus 1,500 free interactive online exercises. Its the exercises that are going to turn you into a real jQuery coder. Cognitive research shows that reading alone doesnt buy you much long-term retention. But if you read less and do moreif you read a short passage and then immediately put it into practiceeverything changes. Washington University researchers say that being asked to retrieve information increases long-term retention by four hundred percent. Practice also makes learning more interesting. Ten minutes of reading followed by twenty minutes of practice keeps you awake and spurs you on. And it keeps you honest. If you only read, its easy to kid yourself that youre learning more than you are. But when youre challenged to produce the goods, theres a moment of truth. You know that you knowor that you dont. If you find youre a little shaky on this point or that, you can review the material, then re-do the exercise. Thats all it takes to master this book from beginning to end.