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.

Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more.

JavaScript is the most popular programming languages around, topping Stack Overflow’s 2015 developer survey with 54.4 percent of programmers using it. And it works well on Mac, too.