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Getting Started with Angular - Second edition

Getting Started with Angular - Second edition

By : Minko Gechev
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Getting Started with Angular - Second edition

Getting Started with Angular - Second edition

By: Minko Gechev

Overview of this book

Want to build quick and robust web applications with Angular? This book is the quickest way to get to grips with Angular and take advantage of all its new features.
Table of Contents (9 chapters)
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Introduction to TypeScript


TypeScript is an open source programming language that is developed and maintained by Microsoft. Its initial public release was in October 2012. TypeScript is a superset of ECMAScript, supporting all of the syntax and semantics of JavaScript with some extra features on top, such as static typing and richer syntax.

Figure 1 shows the relationships among ES5, ES2015, ES2016, and TypeScript.

Figure 1

As TypeScript is statically typed, it can provide a number of benefits to us as JavaScript developers. Let's take a quick look at those benefits now.

Compile-time type checking

One of the most common mistakes we make while writing JavaScript code is to misspell a property or a method name. Usually, we find out about the mistake when we get a runtime error. This can happen during development as well as during production. Hoping that we will know about the error before we deploy our code to the production environment isn't a comfortable feeling! However, this is not a problem...

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