Learn how to create a callback function in JavaScript and use it for various purposes, such as asynchronous programming, modularity, flexibility, and custom events.

function is a group of statements which perform specific tasks and can be kept and maintained separately from the main program. Functions provide a way to create reusable code packages which are more ...

That function takes a single argument and returns an array that contains two functions. The (2) after the function expression executes that function (immediately), and the two inner functions are ...

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To add JavaScript in Visual Studio Code, you need to install VSCode first and then Node.JS. Once done, create a .JS file, write codes, and then start writing codes.