position-calculator (bower): Calculate the position of an element relative to another element or event. It has also functionality to handle collision within the viewport of a given container. It does not manipulate CSS or DOM, it only calculates values. It is a basic technology to support implementation of tooltips, popups, popovers, scrollspies and many more.
Keywords: position|boundary|placement|calculate|reference|target|viewport|collision|offset|relative|translate|sticky|flip|fit|ui|tlindig