Functions are the basic building block of any application, whether they’re local functions, imported from another module, or methods on a class. They’re also values, and just like other values, TypeScript …

TypeScript has a specific syntax for typing function parameters and return values. Read more about functions here.

Jul 23, 2025 · Writing a function in TypeScript is similar to writing it in JavaScript but with added parameters and return type. Note that any JavaScript function is a perfectly valid TypeScript function.

Oct 19, 2025 · Functions in TypeScript offer a wide range of features that enhance the power and safety of JavaScript functions. By understanding the fundamental concepts, usage methods, common …

While TypeScript provides the concept of classes and modules, functions still are an integral part of the language. In TypeScript, functions can be of two types: named and anonymous.

In this tutorial, you will learn about the TypeScript functions and how to use type annotations to enforce the type checks for functions.

Oct 8, 2024 · In this tutorial, we’ll cover TypeScript functions in depth and provide several examples to illustrate different aspects of function types.

A function is an independent block of code that performs a specific task. A function expression is a way to store functions in variables. In this tutorial, you'll learn about TypeScript functions and function …

Learning TypeScript's Functions chapter shows how a function's parameters and return types can be inferred or explicitly declared in TypeScript:

Functions are the basic building block of any application, whether they're local functions, imported from another module, or methods on a class. They're also values, and just like other values, TypeScript …