We explored using keyboard input to move a shape on an HTML5 canvas here http://html5.litten.com/moving-shapes-on-the-html5-canvas-with-the-keyboard/. Now we’ll take a look at using input from the mouse. With a few simple calculations, you can drag and drop shapes on the canvas with your mouse.
Here's an example of a gauge with a shared tooltip. The tooltip does not display and actually the formatter is never being triggered.
Works fine with 3.0.1, but is not working with 3.0.8.