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  1. Callback (computer programming) - Wikipedia

    In computer programming, a callback is a programming pattern in which a function reference is passed from one context (consumer) to another (provider) such that the provider can call the function.

  2. JavaScript Callbacks - W3Schools

    Now it is time to bring in a callback. A callback is a function passed as an argument to another function. Using a callback, you could call the calculator function (myCalculator) with a callback (myCallback), …

  3. language agnostic - What is a callback function? - Stack Overflow

    May 5, 2009 · A callback function, also known as a higher-order function, is a function that is passed to another function as a parameter, and the callback function is called (or executed) inside the parent …

  4. Callback function - Glossary | MDN

    Aug 19, 2025 · A callback function is a function passed into another function as an argument, which is then invoked inside the outer function to complete some kind of routine or action.

  5. CALLBACK Definition & Meaning - Merriam-Webster

    She got constant callbacks from the salesman even after she asked him to stop calling. With the latest callback, the factory will employ 30,000 workers. If he used better materials, he wouldn't have so …

  6. JavaScript Callbacks - GeeksforGeeks

    Aug 2, 2025 · A callback function is a function that is passed as an argument to another function and executed later. A function can accept another function as a parameter. Callbacks allow one function …

  7. How to Use Callback Functions in JavaScript - freeCodeCamp.org

    Jul 3, 2024 · You can do this using JavaScript's callback functions, which showcase JavaScript's ability to handle asynchronous operations. Let's explore what callback functions are, how they work, and …

  8. What Are Callback Functions? | Baeldung on Computer Science

    Mar 18, 2024 · Callback functions are also known as ‘call-after’ functions, as they are often executed when another code block has finished. Programming languages support these types of routines in …

  9. Introduction: callbacks - The Modern JavaScript Tutorial

    Jun 18, 2022 · That’s called a “callback-based” style of asynchronous programming. A function that does something asynchronously should provide a callback argument where we put the function to run after …

  10. A Guide to Callback Functions in JavaScript - Built In

    Nov 20, 2024 · A callback function in JavaScript is a function that’s called after the first function has completed its task. Learn more about how they’re used and when to use them.