Wewe Posted August 14, 2023 Share Posted August 14, 2023 import gsap from 'gsap'; import { ScrollTrigger } from 'gsap/ScrollTrigger'; gsap.registerPlugin( ScrollTrigger ); const theBody = theDoc.querySelector( 'body' ); const items = theDoc.querySelectorAll( '.container' ); const innerWindow = document.querySelector( 'iframe' )?.contentWindow; if ( ! items.length || ! innerWindow ) return; items.forEach( ( ele ) => { ScrollTrigger.create( { trigger: theBody, start: 'top top', scroller: innerWindow, onUpdate: ( self ) => { console.log( 'scroll' ); } }, } ); Link to comment Share on other sites More sharing options...
GSAP Helper Posted August 14, 2023 Share Posted August 14, 2023 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. My guess is that maybe you put your JS code in a <script> tag that's BEFORE the <body>, thus the elements that you're trying to reference don't even exist yet. Once we see a demo, we'll be able to get more clarity. 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. Link to comment Share on other sites More sharing options...
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