2JavaScript Primer
Each component that you will be working with in this book—Node.js, Express, TypeScript, and Angular—is based on the JavaScript language. This makes it easy to implement and reuse code at all levels of your web development stack.
The purpose of this chapter is to familiarize you with some of the language basics of JavaScript, such as variables, functions, and objects. It is not intended as a full language guide, but rather a synopsis of important syntax and idioms. If you are not familiar with JavaScript, this chapter should give you enough information to help you understand the examples throughout the rest of the book. If you already know JavaScript well, you have the option of skipping this chapter or reviewing it as a refresher. ...
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