A callback function is a function that is passed as an argument to another function and executed upon completing the latter’s task.
In programming, developers use callback functions to carry out another function when specific predetermined conditions — such as task completion, data arrival, or error occurrences — exist.
Callback functions allow developers to control the flow of execution to create more efficient and flexible programs. They enable developers to run specific tasks while the program continues to run and initiate other operations upon completion of the task.
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