Using Opacity to Show Focus with jQuery
http://davidwalsh.name/opacity-focus-jquery

Built with typographic standards in mind, Baseline makes it easy to develop a website with a pleasing grid and good typography. Baseline starts with several files to reset the browser’s default behavior, build a basic typographic layout — including style for HTML forms and new HTML 5 elements — and build a simple grid system. Baseline was born to be a quick way to prototype a website and grew up to become a full typographic framework for the web using “real” baseline grid as it’s foundation.

The jquery slidetoggle() is great, but one thing I always thought it was missing is some opacity fading in the sliding animation. When I was coding this iteration of position absolute I wanted this kind of animation so I went there and coded it. This is a very small plugin, but I still find the effect cooler than a regular sliding.

fade and slide toggle plugin « Position Absolute

jQuery fade and slide toggle plugin

Fade colors using jQuery

como dar un efecto de desvanecimiento a una lista de links

Pretty cool

La trasparenza nel web design

How is it done? Let's take a gander at four different ways. Each of them handling the illusion in a different way, and each completely appropriate depending on