jQuery 1.4.3, HTML, CSS, JavaScript
jQuery (edge), HTML, CSS, JavaScript
jQuery 1.9.1, HTML, CSS, JavaScript
http://knockoutjs.com/examples/contactsEditor.html
http://www.homeandlearn.co.uk/JS/validating_html_forms.html
No-Library (pure JS), HTML, CSS, JavaScript
jQuery 2.0.2, HTML, CSS, JavaScript
jQuery 1.4.4, HTML, CSS, JavaScript
jQuery 1.7.2, HTML, CSS, JavaScript
http://www.knockmeout.net/2011/05/dragging-dropping-and-sorting-with.html
YUI 3.4.1 simple, HTML, CSS, JavaScript