This demonstrates how to start a YUI Animation from a given value. Click the button to begin the demo.
The YUI Animation Utility allows you to specify arbitrary starting values for your animations.
The first thing we need to do is load the Animation source file and dependencies:
For this example, we will animate the width of the
<div> element named
Add a little style so that we can see the animation in action:
demo element and a button to run the animation:
Now we create an instance of
YAHOO.util.Anim, passing it the element we wish to animate, and the style attribute(s) to be animated. The
from field is optional (will start from current value if omitted). In this case, we will start from 600:
The final step is to call the
animate method on our instance to start the animation. The button will be the trigger that begins the animation sequence:
This is an example of customizing the starting animation value with YUI Animation Utility.