The ability to select an element and drag it to another location is an excellent example of a natural user experience. I can still remember the early Apple computers where you could delete a file by dragging it onto a trash can icon. This action, and hundreds more like it, is a key component of user experiences found on desktop applications. Web applications, however, have lagged far behind in this arena. With the drag-and-drop (DnD) API in HTML5, you’ll find web applications rapidly catching up.
In this chapter, you’ll build a web application that implements a checkers ...
