CHAPTER 2
Understanding Node.js
To understand how Node.js works, first you need to understand a few key features of JavaScript that make it well suited for server-side development. JavaScript is a simple language, but it is also extremely flexible. This flexibility is the reason why it has stood the test of time. First-class functions and closures make it an ideal language for web applications.
JavaScript has a bad reputation for being unreliable. However, this notion couldn’t be further from the truth. Actually, JavaScript’s bad reputation comes from the DOM’s unreliability. The DOM (docment object model) is the API (application programming interface) ...
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