Part 2. Managing complexity
The second part of the book is more interactive than the first, as it contains even more practical code samples. You’ll get to explore different little angles at which we can attack complexity in our application designs, such as modularity, asynchronous programming patterns, testing suites, keeping your code concise, and API design principles.
Chapter 5 is a detailed examination of modularity in JavaScript. We start with the basics, learning about encapsulation, closures, and a few quirks of the language. Then we delve into the different formats that allow us to build modular code, such as CommonJS, AMD, and ES6 modules. We’ll also go over different package managers, comparing what they bring to the table.
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