A callback function is a function passed into another function as an argument. It can be called at a later time.
Asynchronous callbacks are often used to execute code after an asynchronous operation completes — these are called asynchronous callbacks.
Example of Call Back
You can use the word ‘callback’ to mean ‘to give someone the opportunity to respond to another person’s speech,’ ‘a repetition of something said, used as part of an argument,’ or ‘a response or action to a question, statement or challenge by someone else.’
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