javascript图片滚动的代码.doc

!-var demo = document.getElementById(demo);var demo1 = document.getElementById(demo1);var demo2 = document.getElementById(demo2);var speed=10; /滚动速度值，值越大速度越慢demo2.innerHTML = demo1.innerHTML /克隆demo2为demo1function Marquee() if(demo2.offsetTop-demo.scrollTop二、向下的无缝循环滚动程序代码： 复制代码到剪贴板 =0) demo.scrollTop+=demo2.offsetHeight else demo.scrollTop- var MyMar = setInterval(Marquee,speed);demo.onmouseover = function()clearInterval(MyMar)demo.onmouseout = function()MyMar = setInterval(Marquee,speed)-三、向左的无缝循环滚动程序代码： 复制代码到剪贴板   !-var demo = document.getElementById(demo);var demo1 = document.getElementById(demo1);var demo2 = document.getElementById(demo2);var speed=10; /数值越大滚动速度越慢demo2.innerHTML = demo1.innerHTMLfunction Marquee() if(demo2.offsetWidth-demo.scrollLeft四、向右的无缝循环滚动程序代码： 复制代码到剪贴板   !-var demo = document.getElementById(demo);var demo1 = document.getElementById(demo1);var demo2 = document.getElementById(demo2);var speed=10; /数值越大滚动速度越慢demo2.innerHTML = demo1.innerHTML;demo.scrollLeft = demo.scrollWidth;function Marquee() if(demo.scrollLeft来源：/blog/204708+上下綜合實例 var speed=1 ;var addspeed=1;var dafault_addspeed=1;var demo = document.getElementById(demo);var demo1 = document.getElementById(demo1);var demo2 = document.getElementById(demo2);demo2.innerHTML=demo1.innerHTML ;function Marquee() if(demo2.offsetHeight-demo.scrollTop=0) demo.scrollTop+=demo2.offsetHeight else demo.scrollTop-=10; var MyMar=setInterval(Marquee,speed) demo.onmouseover=function() clearInterval(MyMar) demo.onmouseout=function() MyMar=setInterval(Marquee,speed)=+左右綜合实例+ var speed=1 var addspeed=1;var dafault_addspeed=1;var demo = document.getElementById(demo);var demo1 = document.getElementById(demo1);var demo2 = document.getElementById(demo2);demo2.innerHTML=demo1.innerHTML function Marquee() if(demo2.offsetWidth-demo.scrollLeft0) demo.scrollLeft+=demo1.offsetWidthelse demo.scrollLeft=demo.scrollLeft-10 var MyMar=setInterval(Marquee,speed) demo.