callback
n. countablen. A piece of code you give to a program to run later, usually after it finishes a specific job or when something special happens.
n. A function passed as an argument to another function, intended to be executed after a specific event occurs or an asynchronous task completes. This allows for non-blocking code execution.
The program uses a callback to show a message after the file downloads.
When the user clicks the button, the browser triggers a callback function to update the screen.
By passing a callback into the data request, the developer ensures the interface only refreshes once the server responds, though you might also hear the term used for a return phone call.
Commonly used in the context of recruitment, performing arts, and telecommunications.