- JavaScript was designed to add interactivity to HTML pages. So that you can make your HTML page much more attractive, dynamic and you can validate your html forms. - JavaScript is usually embedded ...

JavaScript is the second-largest contributor to page weight, behind images, which means it can play a major role in slowing down the speed of your mobile site. Here's how you can reduce your reliance ...

Editor’s note: Péter Halácsy is co-founder and CTO of Prezi. Follow him on Twitter @halacsy. Startups identify with JavaScript. When you’re just starting out, you need to be dynamic. You need to be ...