What is ScrollTrigger?
ScrollTrigger is a GSAP plugin that lets you create scroll-based animations with minimal code. It provides powerful features like pinning elements, snapping to sections, and triggering animations based on scroll position.
Getting Started
First, include the GSAP core library and ScrollTrigger plugin in your project. You can use a CDN or install via npm.
Core Concepts
The key concepts include triggers, start/end positions, scrubbing, and toggle actions. Understanding these gives you complete control over how animations respond to scrolling.
Pinning Elements
Pinning allows you to fix an element in place while the user scrolls past it. This is perfect for creating sticky sections, parallax headers, and storytelling experiences.
Performance Tips
Use will-change sparingly, prefer transforms over position changes, and batch your ScrollTrigger instances for better performance. Always test on lower-end devices.
Conclusion
GSAP ScrollTrigger transforms static pages into interactive experiences. Start with simple animations and gradually add complexity as you get comfortable with the API.