This doesn't seem to determine if the object is in the viewport, it simply detects if the the element has been scrolled past.
i.e. it returns true even if the element is at the bottom of the page (out of the viewport), and your viewport is at the top, and only returns false once the element leaves the top of the viewport.
This doesn't seem to determine if the object is in the viewport, it simply detects if the the element has been scrolled past.
i.e. it returns true even if the element is at the bottom of the page (out of the viewport), and your viewport is at the top, and only returns false once the element leaves the top of the viewport.
So it's more HasThisElementBeenScrolledPast()