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无缝滚动代码
自学js练手----无缝滚动
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
#div01{
width: 500px;
height: 100px;
background: red;
position: relative;
left: 500px;
top: 100px;
overflow: hidden;
}
#div01 ul{
position: absolute;
left: 0;
top: 0;
}
#div01 ul li{
float: left;
list-style: none;
width: 100px;
height: 100px;
cursor: pointer;
}
</style>
<script type="text/javascript">
window.onload=function(){
var oDiv=document.getElementById("div01");
var oUl=document.getElementById("ul0");
var oLi=document.getElementsByTagName("li");
var speed=2;
oUl.innerHTML=oUl.innerHTML+oUl.innerHTML;
function move(){
if(oUl.offsetLeft<-oUl.offsetWidth/2){
oUl.style.left=0;
}
if(oUl.offsetLeft>0){
oUl.style.left=-oUl.offsetWidth/2+"px";
}
oUl.style.left=oUl.offsetLeft+speed+"px"
}
oUl.style.width=oLi[1].offsetWidth*oLi.length+"px";
var mytimer=setInterval(move,30);
oDiv.onmousemove=function(){
clearInterval(mytimer);
}
oDiv.onmouseleave=function(){
mytimer=setInterval(move, 30);
};
document.getElementsByTagName("a")[0].onclick=function(){
speed=-2;
};
document.getElementsByTagName("a")[1].onclick=function(){
speed=2;
};
}
</script>
</head>
<body>
<a href="javascript:;"> 向左走</a>
<a href="javascript:;"> 向右走</a>
<div id="div01">
<ul id="ul0">
<li><img src="http://www.mamicode.com/images/1.jpg"></li>
<li><img src="http://www.mamicode.com/images/2.jpg"></li>
<li><img src="http://www.mamicode.com/images/3.jpg"></li>
<li><img src="http://www.mamicode.com/images/4.jpg"></li>
<li><img src="http://www.mamicode.com/images/5.jpg"></li>
</ul>
</div>
</body>
</html>
图片如下：
无缝滚动代码