复制代码保存为.html文件即可运行:
var sum;
function change(){
sum=document.getelementbyid("test").scrollleft;
document.getelementbyid("test").scrollleft+=40;
if(sum==document.getelementbyid("test").scrollleft){document.getelementbyid("test").scrollleft=0;}
}
function move(){
document.getelementbyid("test").style.left=document.body.scrollleft+window.event.clientx;
document.getelementbyid("test").style.top=document.body.scrolltop+window.event.clienty;
}
document.onmousemove=move;
[ctrl+a 全选 注:如需引入外部js需刷新才能执行]