What is TypeScript?

TypeScript is a typed superset of JavaScript that compiles to plain JavaScript. It is a programming language developed and maintained by Microsoft.

TypeScript adds type annotations to JavaScript, which allows developers to catch type-related issues before runtime and to improve the overall quality of their code. TypeScript also introduces features that are not present in JavaScript, such as interfaces, classes, and modules, which make it easier to write and maintain large-scale applications.

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