Its 2D tile graphics engine is powered by HTML5 Canvas, with browser-to-server communications handled by WebSockets. Sound effects, meanwhile, are powered by HTML5 audio APIs, and each player's progress is saved using localStorage. The game also supports lots of simultaneous players, thanks to a JavaScript-coded backend that runs on Node.js.
A simple jQuery select drop-down and multi-selector with search. In addition to the search option, it also allows for a more consistent view across browsers than the standard select menu.
A playground for your html, css and javascript code. You can use this to create a small experimental code to test across all browsers. You can also share you code with others and work off others code (forking)
HTML5, WebGL and Javascript have changed the way animation used to be. Past few years, we can only achieve extraordinary web animation by using Flash and Java Applet. It's possible to create insane effects and crazy animations with scripting and render it on the browser.