You can expand this by graying out only those items which were on the screen. You could use Intersection Observer for this: https://developer.mozilla.org/en-US/

You can expand this by graying out only those items which were on the screen. You could use Intersection Observer for this: https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API https://developer.mozilla.org/en-US/docs/Web/API/Intersectio...