In JavaScript, a callback is a function that is passed as an argument to another function and is executed after a particular event or operation has occurred. Callbacks are commonly used in ...

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What is callback function in JavaScript? A function which takes another function as an argument and call that function in itself is known as callback function, in other words when we take a function ...

Callbacks were the only natively supported way to deal with async code in JavaScript until 2016 ... Asynchronous functions that use callbacks take a function as a parameter, which will be called ...