//********显示元素的id和type
            var t = null;
            function showit(e){
                var e = e||window.event||event;
                //console.log(e.movementY);
                
                console.log(e.target.getAttribute(‘id‘));
                console.log(e.type);
                var temp = e.timeStamp;
                if(t!=null){
                    console.log(temp-t);
                }
                t = temp;
                
            }
            
            //********js的mousemove
            document.getElementById(‘c1‘).onmousemove=showit;
            
            
            
            //*********jquery也可以使用mousemove
            //$(‘#c2‘).on(‘mousemove‘,showit);
            //$(‘#c2‘).onmousemove=showit;//无效
            $(‘#c2‘).mousemove(showit);