# You Don't Know JS: *this* & Object Prototypes ----- **[Purchase digital/print copy from O'Reilly](http://shop.oreilly.com/product/0636920033738.do)** ----- [Table of Contents](toc.md) * [Foreword](foreword.md) (by [Nick Berardi](https://github.com/nberardi)) * [Preface](../preface.md) * [Chapter 1: *this* Or That?](ch1.md) * [Chapter 2: *this* All Makes Sense Now!](ch2.md) * [Chapter 3: Objects](ch3.md) * [Chapter 4: Mixing (Up) "Class" Objects](ch4.md) * [Chapter 5: Prototypes](ch5.md) * [Chapter 6: Behavior Delegation](ch6.md) * [Appendix A: ES6 *class*](apA.md) * [Appendix B: Thank You's!](apB.md)