Objects, Arrays, and More
This chapter introduces a few more complex data types: the array, the object, and the regular expression. We'll also look at how to make code more readable by using white space and comments.
Operators and Control Structures
In this chapter, we'll start looking at what you can do with data once you've learned how to express it. You'll see how to compare items, perform arithmetic, ask yes or no questions, and check what kind of data is contained in a variable.
Iterating with Loops