Show hide input field on the basis of checkbox hidden or visible
jQuery 1.6.4, HTML, CSS, JavaScript
If at least one checkbox is checked show div. If none checked, hide div.
jQuery 1.8.3, HTML, CSS, JavaScript
http://w3lessons.info/2013/07/18/jquery-preloader/
Preloader for website
No-Library (pure JS), HTML, CSS, JavaScript
jQuery 1.5.2, HTML, CSS, JavaScript
jQuery 1.7.1, HTML, CSS, JavaScript
Cria uma seta que retorna para o topo a qualquer momento da navegação