jQuery 1.9.1, HTML, CSS, JavaScript
Raphael 2.1.0, HTML, CSS, JavaScript
http://stackoverflow.com/questions/130396/are-there-constants-in-javascript
Mootools 1.4.5, HTML, CSS, JavaScript
jQuery (edge), HTML, CSS, JavaScript
jQuery 1.7.2, HTML, CSS, JavaScript
http://stackoverflow.com/questions/9523197/css-values-using-html5-data-attribute
jQuery 2.0.2, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
http://stackoverflow.com/questions/17573294/apply-jquery-code-to-multiple-textareas#17573359
http://stackoverflow.com/questions/17516101/calculating-mouse-velocity-with-accuracy#17516230