What is a callback function

A callback function is a function that is passed into another function as an argument and is then invoked within that function. This technique is commonly used in asynchronous programming to ensure that a certain piece of code runs only after another piece of code has finished executing.

Callback function, Asynchronous programming, JavaScript functions, Higher-order functions
This content explains what a callback function is in JavaScript and its significance in asynchronous programming.
// Example of a callback function in JavaScript function greeting(name) { alert('Hello ' + name); } function processUserInput(callback) { var name = prompt('Please enter your name.'); callback(name); } processUserInput(greeting);

Callback function Asynchronous programming JavaScript functions Higher-order functions

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