Swap Reading

Duration
GSAP easing: you can choose from a wide variety of easings. Learn more about GSAP easings here.

Start: determines the position of the Trigger to fire the animation. “top bottom” means when the top of the element hits the bottom of the viewport.
End: determines the end of the animation.
Scroller: the element that will act as the scrolling viewport. It is the body by default.

– Tamu