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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 …

  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 …

  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) …

  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. JavaScript Callbacks - GeeksforGeeks

    Jan 17, 2026 · 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 …

  6. CALLBACK Definition & Meaning - Merriam-Webster

    With the latest callback, the factory will employ 30,000 workers. If he used better materials, he wouldn't have so many callbacks. Recent Examples on the Web Setups, payoffs, and …

  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 …

  8. 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 …

  9. 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 …

  10. What Is a JavaScript Callback? - milddev.com

    Jun 24, 2025 · As you build apps, you’ll spot when a callback shines or when it’s time to refactor. Now, dive in—experiment with callbacks in Node.js or the browser, and see how they …