When you’re done with this chapter, you will

  • Know what many of those JavaScript things are (like var)
  • Be able to keep large lists of things (two different ways!)
  • Understand 80% of JavaScript worth knowing

Chapter 7A Closer Look at JavaScript Fundamentals

Before we add more to our avatar, this is a good time to look closer at JavaScript. There’s a lot in this chapter. Don’t worry if it gets to be overwhelming. It’s even OK if you only look through this chapter quickly your first time through the book. Just remember to come back at some point—this chapter has a lot that is important to know if you want to program well.

Like any other programming language, JavaScript was built so that both computers and people could understand it. Like ...

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