Series: TypeScript

  • The Definitive TypeScript 4.0 Guide

    The Definitive TypeScript 4.0 Guide

    Jason Cheatham | September 18, 2020

    Originally published October 2018. Updated September 2020. This article describes the features and functionality of TypeScript 4.0.  One of the most interesting languages for large-scale application development is Microsoft’s TypeScript. TypeScript is unique in that it is a superset of JavaScript, but with optional types, interfaces, generics, and more. Unlike other compile-to-JavaScript languages, TypeScript does not

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  • TypeScript 4.0 Cheat Sheet

    TypeScript 4.0 Cheat Sheet

    Jason Cheatham | September 18, 2020

    This cheat sheet is an adjunct to our Definitive TypeScript Guide. Originally published November 2018. Updated September 2020 for TypeScript 4.0. Usage Install Run Run with a specific config Triple slash directives Reference built-in types Reference other types AMD Compiler comments Don’t check this file Check this file (JS) Ignore the next line Expect an

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  • Advanced TypeScript 4.0 Concepts: Classes and Types

    Advanced TypeScript 4.0 Concepts: Classes and Types

    Nick Nisi | September 18, 2020

    Originally published November 2018. Updated September 2020. This article describes the features and functionality of TypeScript 4.0. While TypeScript is very simple to understand when performing basic tasks, having a deeper understanding of how its type system works is critical to unlocking advanced language functionality. Once we know more about how TypeScript really works, we

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