Make your web pages interactive

JavaScript (sometimes shortened to JS) is a programming language that is very popular for web development, and probably the first language you'll encounter.

JavaScript is most often used with HTML and CSS to make your web pages more interactive, helping you respond to what people do on your pages, get data from other websites, and do any range of calculation to make your pages more interesting.

JavaScript has also become popular as a back end language used with other technologies like Node and Express.

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