TypeScript is JavaScript with syntax for types. TypeScript is a strongly typed programming language that builds on JavaScript, giving you better tooling at any scale.

TypeScript Documentation Get Started Quick introductions based on your background or preference. TS for the New Programmer TypeScript for JS Programmers TS for Java/C# …

You can install TypeScript as a Visual Studio extension, which will allow you to use TypeScript across many MSBuild projects in Visual Studio. The latest version is available in the Visual …

These introductions are intended to highlight key similarities and differences between TypeScript and your favored programming language, and clear up common misconceptions specific to …

The Playground lets you write TypeScript or JavaScript online in a safe and sharable way.

TypeScript also has a special syntax for removing null and undefined from a type without doing any explicit checking. Writing ! after any expression is effectively a type assertion that the …

The main benefit of TypeScript is that it can highlight unexpected behavior in your code, lowering the chance of bugs. This tutorial provides a brief overview of TypeScript, focusing on its type …

TypeScript has several type-checking strictness flags that can be turned on or off, and all of our examples will be written with all of them enabled unless otherwise stated.

The relationship between TypeScript (TS) and JavaScript (JS) is rather unique among modern programming languages, so learning more about this relationship will help you understand …

TypeScript Cheat Sheets Downloadable syntax reference pages for different parts of everyday TypeScript code Learn more about Classes, Interfaces, Types and Control Flow Analysis …