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Mastering JavaScript Design Patterns - Second Edition by Simon Timms

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Chapter 2. Organizing Code

In this chapter we'll look at how to organize JavaScript code into reusable, understandable chunks. The language itself doesn't lend itself well to this sort of modularization but a number of methods of organizing JavaScript code have emerged over the years. This chapter will argue for the need to break down code and then work through the methods of creating JavaScript modules.

We will cover the following topics:

  • Global scope
  • Objects
  • Prototype inheritance
  • ECMAScript 2015 classes

Chunks of code

The first thing anybody learns to program is the ubiquitous Hello World application. This simple application prints some variation of "hello world" to the screen. Depending on who you ask, the phrase hello world dates back to the early ...

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