February 2019
Beginner
694 pages
18h 4m
English
Content preview from Mastering TypeScript 3 - Third Edition
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What is TypeScript?
TypeScript is a programming language designed by Anders Hejlsberg, the founder of the C# language. It is the result of an assessment of the JavaScript language, and what could be done to help developers when writing JavaScript. TypeScript includes a compiler which will transform code written in TypeScript into JavaScript. It's beauty is really in its simplicity. We can take existing JavaScript, add a few TypeScript keywords here and there, and transform our code into a strongly-typed, object-oriented, syntax-checked code base. By adding a compile step, we can validate that we have written sound JavaScript that is going to behave as we intended it to.
TypeScript generates JavaScript—it's as simple as that. This means that ...
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