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Preface > What’s in This Book

What’s in This Book

The first four chapters focus on fundamental JavaScript topics. In Chapter 1, Strings, you will see the difference between a string value and a string object. Regular expressions play a big role in string parsing for these recipes. You will also see a reusable library for reading and writing string data to cookies. Chapter 2, Numbers and Dates, includes recipes for handling number formatting and conversions, as well as date calculations that get used in later recipes. Perhaps the most important core JavaScript language chapter is Chapter 3, Arrays and Objects. Recipes in this chapter provide the keys to one- and multidimensional array creation, array sorting, object creation, hash table simulation, and exploration of the prototype inheritance powers of objects. Chapter 4, Variables, Functions, and Flow Control, includes a recipe for improving overall script performance.


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