JavaScript实现走马灯效果[无缝连接、循环滚动]

JavaScript实现走马灯效果[无缝连接、循环滚动] 无缝跑马灯效果
以下代码在IE6、Firefox+Win2k环境下测试通过
网页走马灯连续循环滚动

一、向上的无缝循环滚动

HTML代码

<!-- 指向链接图片的URL --> <base href="<a href="http://blog.netfetch.cn" target="_blank">http://blog.netfetch.cn</a>"> <div align="center" id="demo" style="overflow:hidden;height:200px;width:95px;border-width:1px 1px 1px 1px;border-style:dotted dotted dotted dotted;"> <div id="demo1"> <!-- 定义内容--> <img src="images/logo_1.gif"> <img src="images/logo/flashempire.gif"> <img src="images/logo.gif"> <img src="images/logo/5dmedia.gif"> <img src="images/logo/macromedia.gif"> <img src="images/logo/sucaiw.gif"> <img src="images/logo/blueieda.gif"> <img src="images/logo/htmlcn.gif"> <img src="images/logo/fwcn.gif"> </div> <div id="demo2"></div> </div> <script language="javascript" type="text/javascript"> <!-- 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demo1 function Marquee(){ if(demo2.offsetTop-demo.scrollTop<=0) //当滚动至demo1与demo2交界时 demo.scrollTop-=demo1.offsetHeight //demo跳到最顶端 else{ demo.scrollTop++ } } var MyMar = setInterval(Marquee,speed); //设置定时器 demo.onmouseover = function(){clearInterval(MyMar)} //鼠标经过时清除定时器达到滚动停止的目的 demo.onmouseout = function(){MyMar = setInterval(Marquee,speed)} //鼠标移开时重设定时器 --> </script>

[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]

二、向下的无缝循环滚动

HTML代码

<!-- 指向链接图片的URL --> <base href="<a href="http://blog.netfetch.cn" target="_blank">http://blog.netfetch.cn</a>"> <div align="center" id="demo" style="overflow:hidden;height:200px;width:95px;border-width:1px 1px 1px 1px;border-style:dotted dotted dotted dotted;"> <div id="demo1"> <!-- 定义内容--> <img src="images/logo_1.gif"> <img src="images/logo/flashempire.gif"> <img src="images/logo.gif"> <img src="images/logo/5dmedia.gif"> <img src="images/logo/macromedia.gif"> <img src="images/logo/sucaiw.gif"> <img src="images/logo/blueieda.gif"> <img src="images/logo/htmlcn.gif"> <img src="images/logo/fwcn.gif"> </div> <div id="demo2"></div> </div> <script language="javascript" type="text/javascript"> <!-- 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.scrollTop = demo.scrollHeight; function Marquee(){ if(demo1.offsetTop-demo.scrollTop>=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)} --> </script>

[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]

三、向左的无缝循环滚动

HTML代码

<!-- 指向链接图片的URL --> <base href="<a href="http://blog.netfetch.cn" target="_blank">http://blog.netfetch.cn</a>"> <div align="center" id="demo" style="overflow:hidden;height:33px;width:500px;border-width:1px 1px 1px 1px;border-style:dotted dotted dotted dotted;"> <table border="0" cellspacing="0" cellpadding="0"> <tr> <td id="demo1"><img src="images/logo_1.gif"><img src="images/logo/flashempire.gif"><img src="images/logo.gif"><img src="images/logo/5dmedia.gif"><img src="images/logo/macromedia.gif"><img src="images/logo/sucaiw.gif"><img src="images/logo/blueieda.gif"><img src="images/logo/htmlcn.gif" border="0"></td> <td id="demo2"> </td> </tr> </table> </div> <script language="javascript" type="text/javascript"> <!-- 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 function Marquee(){ if(demo2.offsetWidth-demo.scrollLeft<=0) demo.scrollLeft-=demo1.offsetWidth else{ demo.scrollLeft++ } } var MyMar = setInterval(Marquee,speed); demo.onmouseover = function(){clearInterval(MyMar)} demo.onmouseout = function(){MyMar = setInterval(Marquee,speed)} --> </script>

[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]

四、向右的无缝循环滚动

HTML代码

<!-- 指向链接图片的URL --> <base href="<a href="http://blog.netfetch.cn" target="_blank">http://blog.netfetch.cn</a>"> <div align="center" id="demo" style="overflow:hidden;height:33px;width:500px;border-width:1px 1px 1px 1px;border-style:dotted dotted dotted dotted;"> <table border="0" cellspacing="0" cellpadding="0"> <tr> <td id="demo1"><img src="images/logo_1.gif"><img src="images/logo/flashempire.gif"><img src="images/logo.gif"><img src="images/logo/5dmedia.gif"><img src="images/logo/macromedia.gif"><img src="images/logo/sucaiw.gif"><img src="images/logo/blueieda.gif"><img src="images/logo/htmlcn.gif" border="0"></td> <td id="demo2"> </td> </tr> </table> </div> <script language="javascript" type="text/javascript"> <!-- 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<=0) demo.scrollLeft+=demo2.offsetWidth else{ demo.scrollLeft-- } } var MyMar = setInterval(Marquee,speed) demo.onmouseover = function(){clearInterval(MyMar)} demo.onmouseout = function(){MyMar = setInterval(Marquee,speed)} --> </script>

[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]