How to combine an effect like scaling w/ fadeOut in jQuery?

I wish to make an object fade out and scale down 80% at the same time.

This is what I tried which is not correct because the animations 开发者_StackOverflow中文版happen in sequence instead of at the same time.

$div.effect("scale", {percent:80, origin:['middle','center']}, 3000);
$div.fadeOut(3000, function()
{
   //Animation done
});

How should it be done?

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Try using .animate() function.
Here there are some examples that can fit your needs: http://api.jquery.com/animate/