TypeScript Tutorial
TypeScript is JavaScript with types that catch bugs early. These concise lessons each come with a live editor that transpiles your TypeScript to JavaScript and runs it, so you see the result in the console. Do the JavaScript track first if those basics are new.
1TypeScript IntroductionWhat TypeScript is and your first typed code.
2TypeScript Basic Typesnumber, string, boolean and arrays in TypeScript.
3TypeScript FunctionsType function parameters and return values.
4TypeScript InterfacesDescribe the shape of objects with interfaces.
5TypeScript Union TypesAllow more than one type with unions.
6TypeScript GenericsWrite reusable, type-safe code with generics.