debugging...
about this swatch

the default

there should be a singular scroll region for a screen on a page

the subversion

there are multiple scroll regions on a screen which affects the way the screen unholds (or not).

proposed applications

communicate different choices; offer ux based on preference

parameters

region area: where are the active regions which has a scroll input

disabled scroll: whether the scroll region enables scrolling or not

proportionality: the proportionality of screen to scroll movement of the scroll region

bounce: the instances of scroll bounce within the scroll region

bounce quantity: the instances of scroll bounce (quantity) within the scroll region

case studies applied