TypeScript Practical Introduction, Part 1

In this article, we are going to learn the basic features of TypeScript through practical examples. We’ll start with a small introduction to TypeScript, then we are going to create a TypeScript project and use its features to learn the language in practice.
What Is TypeScript?
TypeScript is a programming language, built by Microsoft, that extends JavaScript. The language has been built as an open source project, licensed under the Apache License 2.0, so the developer community can use it freely. Among its features, a remarkable one is that TypeScript brings type safety to one of the most flexible, dynamic programming languages around, JavaScript. This characteristic enables developers to be very productive even on large codebases by introducing and facilitating tools and practices like static checking and code refactoring.

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