No-Library (pure JS), HTML, CSS, JavaScript
jQuery 1.6, HTML, CSS, JavaScript
A blank canvas to play / experiment with RxJS: https://github.com/Reactive-Extensions/RxJS
http://www.960development.com/understand-css-margins-collapsing/
AngularJS 1.4.8, HTML, CSS, JavaScript
jQuery 3.2.1, HTML, CSS, JavaScript