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IE8 not working with x:

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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 Some information, especially the syntax, may be out of date for GSAP 3.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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Hi there,


so i decided to jump ship from jQuery to GSAP for the first time in my next project for a huge client and i'm impressed so far.

However i'm stumbling across issues in IE8 (bummer).

This simple tween won't work in IE8 for me

TweenMax.to($('.slider'), 1, {x: 300px, ease: Power2.easeInOut});

Changing "x" to "left" will work, if .slider is positioned relative/absolute. Checking the code i see that TweenMax (what i use) is changing the property filter: progid:DXImageTransform.Microsoft.Matrix in IE8, but IE8 is simply refusing to animate anything.


My site is very light at the moment. Almost no code, the only tween so far is the one above so I'm 99% sure it's not a conflict with some other script.

I use the latest TweenMax.


thanks in advance for any tips. And if x: simply doesn't support IE8 - my bad ;-)


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Hi and welcome to the forums,


Are you sure you're using the latest version of TweenMax (  currently 1.10.2 available at


http://cdnjs.cloudflare.com/ajax/libs/gsap/latest/TweenMax.min.js )


I just created a simple test 

See the Pen qocuD by burnandbass (@burnandbass) on CodePen

 / http://cloud.bassta.bg/a.html

And the animation is working in IE8 for me 


A problem you might have is "clipping effect" - described at http://extremelysatisfactorytotalitarianism.com/blog/?p=1002

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