Handle captured mouse/touch move action. Should be typically called from mousedown/touchstart handler.
It will add elX and elY atributes to the event object - pointer coordinates relative to the top left corner of the element el - and passes it to moveaction and endaction functions.
Handle captured mouse/touch move action. Should be typically called from mousedown/touchstart handler.
It will add elX and elY atributes to the event object - pointer coordinates relative to the top left corner of the element el - and passes it to moveaction and endaction functions.