The part of the layout viewport that is actually visible, in CSS px.
Remarks
On a phone the visual viewport is what shrinks when the virtual keyboard rises (iOS Safari never
resizes the layout viewport for it) and what moves when the page is pinch-zoomed or scrolled
under a pinned chrome. offsetTop / offsetLeft are its position within the layout viewport.
The part of the layout viewport that is actually visible, in CSS px.
Remarks
On a phone the visual viewport is what shrinks when the virtual keyboard rises (iOS Safari never resizes the layout viewport for it) and what moves when the page is pinch-zoomed or scrolled under a pinned chrome.
offsetTop/offsetLeftare its position within the layout viewport.