取得鼠标xy值
获得鼠标xy值
//获取坐标位置
function getPosition(ev){
ev = ev || window.event;
var point = {x:0,y:0};
if(ev.pageX || ev.pageY){
point.x = ev.pageX;
point.y = ev.pageY;
} else {//兼容ie
point.x = ev.clientX + document.body.scrollLeft - document.body.clientLeft;
point.y = ev.clientY + document.documentElement.scrollTop;
}
return point;
}