Definition, Meaning & Synonyms
callback
noun
/ˈkɔːlˌbæk/
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Definition
A callback is a function that is passed as an argument to another function and is executed after some operation has been completed.
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Examples
- Upon completing the download, the software will trigger a callback to notify the user.
- She registered a callback with customer service to discuss her order.
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Meaning
In programming, a callback refers to a command that a program executes after an event has been completed. It allows for asynchronous processing, especially in events like user interactions or I/O operations.
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Synonyms
- Return call
- Follow-up call
- Callback function (in programming)