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Understand JavaScript Callback Functions and Call by Value and Call by Reference This is an off-site link.  Please review our Terms of Service for additional information.


(RamaSagar Pulidindi) This article explains callback functions, call by value and call by reference in JavaScript. A callback function, also known as a higher-order function, is a function that is passed to another function (let's call this other function “otherFunction”) as a parameter, and the callback function is called (executed) inside the other function.

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