CALLBACK FUNCTION Meaning and
Definition
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A callback function is a concept used in computer programming that refers to a function which is passed as an argument to another function and is later called or 'called back' by that function. The callback function allows for the customization or extension of the behavior of the called function, granting the ability to execute a set of instructions as desired.
The purpose of a callback function is to enhance the flexibility and reusability of code. By passing a function as a parameter, the callback pattern enables a program to accommodate different execution contexts or scenarios without modifying the original code. This is particularly useful in situations where a specific logic or behavior needs to be implemented but the details may vary, such as event handling, asynchronous operations, or user interaction.
Callback functions are widely used in many programming languages and paradigms, including object-oriented and functional programming. They can be implemented in various ways, such as function pointers, anonymous functions, or passing the name of a function as a string.
In summary, a callback function is a function that is passed as an argument to another function and invoked later to customize or extend its behavior. It provides flexibility, reusability, and enables dynamic programming by allowing users to define their own set of instructions within the called function.
Common Misspellings for CALLBACK FUNCTION
- xallback function
- vallback function
- fallback function
- dallback function
- czllback function
- csllback function
- cwllback function
- cqllback function
- caklback function
- caplback function
- caolback function
- calkback function
- calpback function
- caloback function
- callvack function
- callnack function
- callhack function
- callgack function
- callbzck function
- callbsck function
Etymology of CALLBACK FUNCTION
The term "callback function" emerged in computer programming and has its origins in the early days of computing.
The word "callback" comes from the combination of the prefix "call" and the noun "back". In programming, a "call" refers to invoking or executing a software function. The "back" aspect highlights the fact that the function is not called directly in the regular flow of the program, but instead, it is called back or triggered later in response to a certain event or condition.
The use of callback functions became more widespread in the 1960s and 1970s as programming languages started to support event-driven programming paradigms. In this programming style, instead of the program executing a sequence of instructions one after another, events or conditions trigger certain actions or functions to be executed, which include callback functions.
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