Callback and Higher Order Functions in JavaScript
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Callback & Higher-Order Functions in JavaScript
Callback Functions and Higher-Order Functions are two important concepts of function handling in JavaScript. When a function is passed as an argument to another function then that passed function is called a Callback function. The function that receives the callback function is called a Higher-Order Function (HOF), and there is also a function that returns a new function back to the caller. so that also comes under HOF.
All of the concepts are well explained, with more appropriate real-world examples. These two concepts are widely used in javascript frameworks and libraries. Also during DOM Event Handling and HTTP Request-Response Handling.
Discussion @ times
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00:00 - Introduction.
00:27 - Callback Functions in JavaScript.
02:54 - Advantages of Using Callback Function.
09:39 - Higher-Order Function.
12:03 - Applications of Callback & HOF in JS.
12:36 - Example of HOF which Returns another Function.
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