jQuery 1.4 Animation Techniques - Index of

Fading Animations
A useful point to note is that the arguments do not need to all be provided when only
the callback function is required. If we don't need to set the duration or easing arguments,
we can just supply the callback function and jQuery will still execute it at the end of
the animation.
Enhancing simple CSS hover states with fadeIn
It is standard practice to add hover-states for the items in a navigation menu using CSS, but
with jQuery we can progressively enhance simple CSS hover states into full-on animations
that give a much more attractive and professional effect when hovered.
In this example, we will see how to:
Disable standard CSS hovers when JavaScript is enabled
Add the additional HTML markup required for the animations
Implement attractive fadeIn() animations triggered by hovering
We'll end up with a navigation menu in which the hover-states are animated into view
instead of being shown instantly, as shown in the following screenshot:
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