Triggering CSS3 animation when user sees the content

[Daniel]

Here's how to do that:

Viewport / Waypoint actions in Tumult Hype: Starting an animation when scrolling to an element

Tumult Hype 3.5 introduces the concept of viewport actions: You can run any action when an element has been scrolled into the visible area of the browser or device. You can also run an action when an element exits the viewport. (Or both, of course) For documentation on viewport actions, please visit: https://tumult.com/hype/documentation/#viewport-actions (This is a Pro feature). Waypoints with jQuery: The technique below outlines a technique that uses jQuery and a plugin to handle this same …