No-Library (pure JS), HTML, CSS, JavaScript
Dirty checking example
AngularJS 1.4.8, HTML, CSS, JavaScript
jQuery 1.11.0, HTML, CSS, JavaScript
jQuery 1.10.1, HTML, CSS, JavaScript
jQuery 1.7.2, HTML, CSS, JavaScript
http://stackoverflow.com/questions/20297032/how-to-build-a-preview-image-by-stacking-transparent-images-based-on-form-select/20450484#20450484
proof that different instances of jquery keep private data that even other instances of jQuery cannot access