TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code.

Examples in Each Chapter Our "Try it Yourself" editor makes it easy to learn TypeScript. You can edit TypeScript code and view the result in your browser.

Jul 23, 2025 · TypeScript is a strongly typed, object-oriented, compiled programming language developed and maintained by Microsoft. It is a superset of JavaScript, adding static types and …

Aug 8, 2024 · We talked about the basic syntax of TypeScript, such as variables, functions, and classes. You also learned about TypeScript's built-in types, such as numbers, strings, and …

TypeScript ignores spaces, tabs, and newlines that appear in programs. You can use spaces, tabs, and newlines freely in your program and you are free to format and indent your programs …

As you start your TypeScript journey, it's essential to understand its syntax and features. In this comprehensive guide, we'll delve into the basics of TypeScript, covering data types, variables, …

In TypeScript, we can specify a function that can be called in different ways by writing overload signatures. To do this, write some number of function signatures (usually two or more), …

Dec 29, 2024 · This cheatsheet covers the fundamental syntax of TypeScript, including modern JavaScript features like arrow functions.

3 days ago · TypeScript isn’t a “new JavaScript.” It’s JavaScript with intent, discipline, and receipts. At its core, TypeScript is just JavaScript plus types and generics — nothing more, …

Learn about TypeScript's basic syntax and types, including variables, functions, and data types. Discover how TypeScript's optional static typing can help make your code more reliable and …