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JS—萌宠（无缝滚动）

2015-12-13 16:00 573 查看

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>萌宠</title>
<style>
*{
margin:0px;
padding:0px;
}
#cute
{
position:relative;
width:1400px;
height:220px;
margin-top:100px;
margin-left:120px;
overflow:hidden;
}
#cute ul
{
list-style-type:none;
left:0px;
top:0px;
position:absolute;
}
#cute ul li
{
float:left;
margin-left:5px;
}
li img
{
width:270px;
height:220px;
}
#right
{
float:right;
}
</style>
<script>
window.onload=function()
{
var oCte=document.getElementById('cute');
var oUl=oCte.getElementsByTagName('ul')[0];
var aLi=oUl.getElementsByTagName('li');
var speed=2;
oUl.innerHTML=oUl.innerHTML+oUl.innerHTML;
oUl.style.width=aLi[0].offsetWidth*aLi.length+50+'px';
function move()
{
if (oUl.offsetLeft<-oUl.offsetWidth/2)
oUl.style.left='0px';
if (oUl.offsetLeft>0)
oUl.style.left=-oUl.offsetWidth/2+'px';
oUl.style.left=oUl.offsetLeft+speed+'px';
}
var timer=setInterval(move, 30);
oCte.onmouseover=function()
{
clearInterval(timer);
};
oCte.onmouseout=function()
{
timer=setInterval(move, 30);
};
document.getElementById('left').onclick=function()
{
speed=-2;
};
document.getElementById('right').onclick=function()
{
speed=2;
};
};
</script>
</head>
<body>
<div id="left">
<img src="image/left.jpg"/>
</div>
<div id="cute">
<ul>
<li><img src="image/a.jpg"/></li>
<li><img src="image/b.jpg"/></li>
<li><img src="image/c.jpg"/></li>
<li><img src="image/d.jpg"/></li>
<li><img src="image/e.jpg"/></li>
</ul>
</div>
<div id="right">
<img src="image/right.jpg"/>
</div>
</body>
</html>

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