Predefined cache for bounding client rectangles. This is useful when cost of HTMLElement.getBoundingClientRect()
becomes a problem (it causes browser reflow which in some situations can be very costly.). By caching
the information we get from the DOMRect we can avoid this cost.
Predefined cache for bounding client rectangles. This is useful when cost of
HTMLElement.getBoundingClientRect()becomes a problem (it causes browser reflow which in some situations can be very costly.). By caching the information we get from theDOMRectwe can avoid this cost.