
JavaScript Functions - W3Schools
What are Functions? Functions are fundamental building blocks in all programming. Functions are reusable block of code designed to perform a particular task. Functions are executed when they are " …
Functions - JavaScript | MDN
Jul 8, 2025 · A function in JavaScript is similar to a procedure—a set of statements that performs a task or calculates a value, but for a procedure to qualify as a function, it should take some input and …
Functions in JavaScript - GeeksforGeeks
Sep 13, 2025 · Functions in JavaScript are reusable blocks of code designed to perform specific tasks. They allow you to organize, reuse, and modularize code. It can take inputs, perform actions, and …
JavaScript Functions
JavaScript Functions Summary: in this tutorial, you will learn about JavaScript functions and how to use them to structure the code into smaller and more reusable units.
Javascript Functions - Javascript Cheatsheet
1 and 2 are the arguments that are passed into the function. The function adds these values together and returns the result. You can have as many parameters as you want, separated by commas. If you …
JavaScript Functions: From Basics to Advanced
Learn what are functions in JavaScript. Explore the basics of functions in JavaScript, including anonymous and arrow functions, and learn how to organize your code using functions.
Functions | web.dev
Mar 31, 2024 · Functions are thought of as "first class" objects, meaning that despite their unique behavior, they can be used in all the same contexts as any other JavaScript object. For example, a …