jQuery “blinking highlight” effect on div?

Answer 1

For those who do not want to include the whole of jQuery UI, you can use jQuery.pulse.js instead.

To have looping animation of changing opacity, do this:

$('#target').pulse({opacity: 0.8}, {duration : 100, pulses : 5});

It is light (less than 1kb), and allows you to loop any kind of animations.