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Why can't I tween a simple div

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This thread was started before GSAP 3 was released. Some information, especially the syntax, may be out of date for GSAP 3. Please see the GSAP 3 migration guide and release notes for more information about how to update the code to GSAP 3's syntax. 

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Why can't I tween a simple div?
In my javascript the following works so I KNOW I have a proper refrence to my div
but this doesn't(no errors, just fails!!)
TweenLite.to(  infoDiv,1,{alpha:0});

The div has absolute positioning applied but obviously this is not the value I am changing.

I am also using TweenLite elsewhere in the same javascript file so I know I am referencing it properly.


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here is working codepen example of your code above:


See the Pen folIH by jonathan (@jonathan) on CodePen


In order to animate CSS properties you will need to include the CSSPLUGIN;




 With the help of the CSSPlugin, GSAP can animate almost any css-related property of DOM elements including the obvious things like width, height, margin, padding, top, left, and more plus more interesting things like transforms (rotation, scaleX, scaleY, skewX, skewY, x, y, rotationX, and rotationY), colors, opacity, and lots more. Don't forget to load the CSSPlugin to enable these capabilities.


or you can use TweenMax which includes CSSPLUGIN and other goodies all in one.


does that help? :)

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