无缝滚动+定时器
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no"
/>
<title></title>
<style>
#demo {
/*background: #FFF;*/
overflow:hidden;
border: 1px dashed #CCC;
width: 830px;//width=100%；
height:150px;
}
#demo img {
border: 3px solid #F2F2F2;
}
#indemo {
float: left;
width: 400%;//越大越好
}
#demo1 {
float: left;
}
#demo2 {
float: left;
}
img{
float: left;
width: 320px;
height: 150px;
}
</style>
</head>
<body>
<div id="demo">
<div id="indemo">
<div id="demo1">
<a href="#"><img src="img/1106628.jpg" border="0" /></a>
<a href="#"><img src="img/1106914.jpg" border="0" /></a>
<a href=""><img src="img/1111588.jpg"/>
</a>
<a href=""><img src="img/1113230.jpg"/></a>
</div>
<div id="demo2"></div>
</div>
</div>
</body>
<script>
var speed=10;
var tab=document.getElementById("demo");
var tab1=document.getElementById("demo1");
var tab2=document.getElementById("demo2");
tab2.innerHTML=tab1.innerHTML;
function Marquee(){
if(tab2.offsetWidth-tab.scrollLeft==0){
tab.scrollLeft=0;
}
else{
// alert(tab2.offsetWidth);alert(tab.scrollLeft)
tab.scrollLeft++;
}
}
var MyMar=setInterval(Marquee,speed);
//鼠标事件
tab.onmouseover=function() {clearInterval(MyMar)};
tab.onmouseout=function() {MyMar=setInterval
(Marquee,speed)};
</script>
</html>
注释：
tab2.offsetWidth:是指整个demo2的宽度；
tab.scrollLeft：指对象（#demo）的左边界和窗口中目前可见内容（#demo和#demo2)的最左端的距离；
