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scrollTrigger is not the Same with ScrollTrigger?

psfortuna test
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Apparently this Kind of doing scroll Trigger does not Work?

But when doing it like this it does...

This is how I imported this

and this was the error from the console:

this is react by the way, and I cant find a consistent video that I can actually refer, Im really sorry to be asking here im a gsap begginer.. Thank You so much in advance for any solution or enlightenment.


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It's pretty tough to troubleshoot without a minimal demo - the issue could be caused by CSS, markup, a third party library, your browser, an external script that's totally unrelated to GSAP, etc. Would you please provide a very simple CodePen or Stackblitz that demonstrates the issue? 


Please don't include your whole project. Just some colored <div> elements and the GSAP code is best (avoid frameworks if possible). See if you can recreate the issue with as few dependancies as possible. If not, incrementally add code bit by bit until it breaks. Usually people solve their own issues during this process! If not, then at least we have a reduced test case which greatly increases your chances of getting a relevant answer.


Here's a starter CodePen that loads all the plugins. Just click "fork" at the bottom right and make your minimal demo

See the Pen aYYOdN by GreenSock (@GreenSock) on CodePen


If you're using something like React/Next/Vue/Nuxt or some other framework, you may find StackBlitz easier to use. We have a series of collections with different templates for you to get started on these different frameworks: React/Next/Vue/Nuxt.


If you're using React also check out 



Once we see an isolated demo, we'll do our best to jump in and help with your GSAP-specific questions. 

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1 hour ago, psfortuna said:

and this was the error from the console:

That typically means that you forgot to register ScrollTrigger: 


And you definitely aren't doing proper cleanup the way React requires. Please read: 


gsap.context() is your new best friend in React. 

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