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Animation skipped after just adding a div ?

edbras test
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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 Some information, especially the syntax, may be out of date for GSAP 3.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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I notice that a fade (using autoAlpha) doesn't occur when I create a new div, add it to it's parent that is visible on the screen, and directly perform a fade (autoAlpha change from 0 -> 1).

 

However, if then replace it with some other div, and latter add it again, the animation does occur.   Why?

 

Apparently because it was already created has impact on the GSAP to decide that animation is allowed, maybe because it has dimensions ?...

Why is this and how can I ensure the animation always occur?

- Ed

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I will, but need some time for that as I generate the js from java, so I hope I can reproduce it.

 

But can you tell me when the GSAP decides to not perform the animation?

 

(I just test a bit more and noticed that it has dimensions when the tween.to() method called)

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Sorrrrry for the very late reply.

I forgot to turn on post-notifications and was at some 24 hour hakacton :(.

Anyway thanks for the reply.

@Diaco. My use case is listed here: 

See the Pen OPJZoy by edbras (@edbras) on CodePen

(I forked yours), and as you see, it works just fine.

I just discovered I had some stupid bug in my code :(...: when opacity wasn't set on a div, it returned "0", such that no fade occurred the first time till it was explicitly set. I changed it and works fine now.

Sorry for the stupid bug and thanks for all the feedback,

- Ed

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