获取鼠标X、Y轴坐标

//获取鼠标X、Y轴坐标function mousePosition(ev){      if(ev.pageX || ev.pageY){       return {x:ev.pageX, y:ev.pageY};       }       return {        x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,        y:ev.clientY + document.body.scrollTop  - document.body.clientTop        }; } function getX(ev){     ev = ev || window.event;     var mousePos = mousePosition(ev); var x = mousePos.x;return x;} function getY(ev){     ev = ev || window.event;     var mousePos = mousePosition(ev); var y = mousePos.y;return y;}