Self-reply, might be usefuly for someone. Chrome on Windows seems to call additional mousemove event when mouse not moved but just clicked.
Solution was to add {delay: 10} parameter to new Draggable. Now work in both MacOS and Windows. -- You received this message because you are subscribed to the Google Groups "Prototype & script.aculo.us" group. To view this discussion on the web visit https://groups.google.com/d/msg/prototype-scriptaculous/-/IyEg33Q7_QQJ. To post to this group, send email to prototype-scriptaculous@googlegroups.com. To unsubscribe from this group, send email to prototype-scriptaculous+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.