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  1. JavaScript Functions - W3Schools

    A JavaScript function is a block of code designed to perform a particular task. A JavaScript function is executed when "something" invokes it (calls it).

  2. JavaScript Function Definitions - W3Schools

    JavaScript functions are defined with the function keyword. You can use a function declaration or a function expression.

  3. Functions - The Modern JavaScript Tutorial

    Oct 14, 2022 · Functions are the main “building blocks” of the program. They allow the code to be called many times without repetition. We’ve already seen examples of built-in functions, like …

  4. JavaScript Functions

    This tutorial introduces you to JavaScript functions that structure your code into smaller reusable units.

  5. Function - JavaScript | MDN - MDN Web Docs

    Jul 15, 2024 · The Function object provides methods for functions. In JavaScript, every function is actually a Function object.

  6. JavaScript Function and Function Expressions (with Examples)

    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 will learn about JavaScript functions and …

  7. JavaScript Function Examples - GeeksforGeeks

    Jul 11, 2024 · A function in JavaScript is a set of statements that perform a specific task. It takes inputs, and performs computation, and produces output. The idea is to put some commonly or …

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