Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser. So here we're collecting all the shims, fallbacks, and polyfills in order to implant HTML5 functionality in browsers that don't natively support them.
JS Bin is a tool for experimenting with web languages. In particular HTML, CSS and JavaScript, but JS Bin also supports other languages too (like Markdown, Jade and Sass).
There's a ton of interest these days in 'CSS in JS'. The premise is simple: CSS operates in a global namespace, which can result in undesirable side effects, spaghetti code, and extremely difficult to maintain codebases. JavaScript used to do this, and we fixed it by encapsulating everything in modules and using tools like webpack to stitch everything together. And hey look, our JavaScript tools can handle CSS too, why don't we move all of our CSS into JavaScript and encapsulate everything by module!
The MDN Web Docs Learning Area teaches fundamentals of modern web development, beginning with HTML, CSS, and JavaScript essentials. In feedback this year, readers asked for a more opinionated, structured ...
Build website interactions and animations visually — without writing code. Add parallax scrolling effects, mouse based motion, and multi-step animations without learning CSS and JavaScript.
This April we have prepared for you a wonderful list of web dev resources, including some React libraries, a framework for cross-browser extensions, and a JavaScript physics engine!
These bookmarklets let you see how a web page is coded without digging through the source, debug problems in web pages quickly, and experiment with CSS or JS without editing the actual page.