As a JavaScript developer or even a beginner, you will need to know about Callback functions in JavaScript. because once you understand how callbacks work, you’ll become much better in JavaScript. Callback functions are in the list of advanced JavaScript topics, even though they seem easy to understand.

What is a Callback Function?

At a fundamental level, functional programming specifies the use of functions as arguments. a callback function, also known as a higher-order function, is a function that is passed to another function as a parameter. the use of callback functions is also known as a callback pattern.

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