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Having an issue with borderWidth

Warning: Please note

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 Some information, especially the syntax, may be out of date for GSAP 3.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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Might be doing something wrong here, but I'm curious if anyone else has had this issue. I am trying to animate the border of an input area from 0 to a width back to 0. Going from a width to 0 works fine, but going from 0 to the width immediately jumps to the width while everything else animates. I've made an exaggerated example here: http://jsfiddle.net/Haxen2000/Df8xj/ The original margin is what the border width should be; just made it larger so the issue is more visible.



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Hello... and welcome to the GreenSock Forums!

If you check Mozilla Developer Network.. you will see how border-width is not an animated property


You have to use the non shorthand properties..

Animatable as each of the properties of the shorthand:
border-bottom-width: yes
border-left-width: yes
border-right-width: yes
border-top-width: yes


border-width: no

And if you dont use quotes.. make sure you use camelCase for the property name.. ie. borderTopWidth for example

Hope this helps..

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It's actually happening in Chrome for me. It's weird that it will animate to 0 but not from 0. However, that trick worked (at least for Chrome). Thanks a bunch!

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glad you got it working .. it will work in Firefox also :)

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If you just use a single value (like "10px"), it should be fine. I think the problem is that you're using a complex value (like "10px 12px 9px 10px"). Of course you could still animate that if you want, using a generic proxy object and an onUpdate where you apply it, but it's not as convenient. 

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