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You're reading from  Getting Started with Angular - Second edition - Second Edition

Product typeBook
Published inFeb 2017
Reading LevelIntermediate
PublisherPackt
ISBN-139781787125278
Edition2nd Edition
Languages
JavaScript
Tools
Angular
Concepts
Front End Web Development
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Author (1)
Minko Gechev
Minko Gechev
author image
Minko Gechev

Minko Gechev is a software engineer who strongly believes in open source software. He has developed numerous such projects including codelyzer, the AngularJS style guide, aspect.js and many others, and is one of the coauthors of the official Angular style guide.
Read more about Minko Gechev

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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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Getting Started with Angular - Second edition - Second Edition
Published in: Feb 2017Publisher: PacktISBN-13: 9781787125278
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Author (1)

author image
Minko Gechev

Minko Gechev is a software engineer who strongly believes in open source software. He has developed numerous such projects including codelyzer, the AngularJS style guide, aspect.js and many others, and is one of the coauthors of the official Angular style guide.
Read more about Minko Gechev

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