jQuery 1.4.2, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
Mootools 1.3.2, HTML, CSS, JavaScript
http://stackoverflow.com/q/6415819/143739
jQuery 1.5.2, HTML, CSS, JavaScript
JS operators as functions.
jQuery 1.6, HTML, CSS, JavaScript
jQuery 1.9.1, HTML, CSS, JavaScript
Mootools 1.3.1 (compat), HTML, CSS, JavaScript