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

💡Tip: In JavaScript, functions can be stored in variables, passed into other functions as arguments, passed out of functions as return values, and constructed at run-time. The syntax of the function ...

In JavaScript, functions are the hidden but secretly powerful bones of your stacks. In this course, author Ray Villalobos explains how functions work, how they're declared, and how you can invoke them ...

Our inner function, the one that currently just returns value1, also needs to be modified to return value1 or value2. ... JavaScript tutorial: Add face detection to your web app. Jun 20, 2019 5 mins.

Partially Applied Functions In JavaScript 20 July, 2012. It was a Friday. I’m finding myself doing more and more functional programming with JavaScript lately – especially in recent days with this ...