Learn how JavaScript’s built-in functions like map() and filter(), as well as compose() and chain(), support a more elegant handling of JavaScript arrays.

Microsoft: Learn JavaScript programming language for free with our new course Programmers keen on building browser applications can take advantage of Microsoft's free JavaScript video course.

JavaScript is the most popular programming language in the world, and one that's vital for many tech jobs. So why aren't college students learning it?

Programming language popularity: JavaScript leads – 5 million new developers since 2017 But Python has also gained 2.2 million developers over the past year while Java adds 1.7 million since 2017.

You could say reactive programming is like functional programming with superpowers. Let's take a look at this dynamic programming style.