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1. www.w3schools.com › js › js_functionsJavaScript Functions - W3Schools

   www.w3schools.com › js › js_functions

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   Learn how to create and use JavaScript functions to perform specific tasks. A function is a block of code that can be invoked with parameters, return values, and access local variables.

2. www.geeksforgeeks.org › functions-in-javascriptFunctions in JavaScript - GeeksforGeeks

   www.geeksforgeeks.org › functions-in-javascript

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   9 paź 2024 · A function in JavaScript is a reusable block of code that performs a specific task. You define it once, and then you can run (or “call”) it whenever you need that task done in your program. A JavaScript function runs when it is “called” by some part of your code.

3. developer.mozilla.org › en-US › docsFunctions - JavaScript | MDN - MDN Web Docs

   developer.mozilla.org › en-US › docs

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   14 lis 2024 · Learn how to define, use, and create functions in JavaScript, a fundamental building block of the language. Explore different types of functions, such as declarations, expressions, recursive, and arrow functions, and their syntax and examples.

4. www.w3schools.com › js › js_function_definitionJavaScript Function Definitions - W3Schools

   www.w3schools.com › js › js_function_definition

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   Learn how to define and use JavaScript functions with different syntaxes and features. See examples of function declarations, expressions, constructors, hoisting, self-invoking, and arrow functions.

5. developer.mozilla.org › en-US › docsFunctions - JavaScript | MDN - MDN Web Docs

   developer.mozilla.org › en-US › docs

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   25 sie 2024 · In JavaScript, functions are first-class objects, because they can be passed to other functions, returned from functions, and assigned to variables and properties. They can also have properties and methods just like any other object. What distinguishes them from other objects is that functions can be called.

6. www.freecodecamp.org › news › what-are-functions-in-javascript-a-beginners-guideWhat are Functions in JavaScript? A Beginner's Guide -...

   www.freecodecamp.org › news › what-are-functions-in-javascript-a-beginners-guide

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   30 cze 2022 · Learn what functions are in JavaScript, how to write and invoke them, and how to use parameters, arguments, return, scope, and closures. This article covers the basics of functions in JavaScript with examples and explanations.

7. javascript.info › function-basicsFunctions - The Modern JavaScript Tutorial

   javascript.info › function-basics

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   14 paź 2022 · Learn how to create and use functions in JavaScript, the main building blocks of the program. See examples of function declaration, naming, return, parameters, local variables and more.