jQuery 1.11.0, HTML, CSS, JavaScript
jQuery 2.0.2, HTML, CSS, JavaScript
http://stackoverflow.com/questions/24313071/using-a-javascript-function-in-a-knockout-style-binding#24313071
Knockout.js 3.0.0, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
jQuery 2.1.0, HTML, CSS, JavaScript
Mootools 1.5.0, HTML, CSS, JavaScript
http://stackoverflow.com/questions/23974368/knockoutjs-showing-a-sorted-list-by-item-category/23976800#23976800
Uses moment.js and limited code.