AngularJS 1.2.1, HTML, CSS, JavaScript
jQuery 2.1.0, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
.filter()
.animate(), .scroll()
javascript
focusout, removeClass()
.append()
background-image, css
.css(), .has()
.style
javascript, .value, .style.visibility
.index(), :nth-child()