可控制左右循环翻滚的图片展示特效代码javascript
演示效果：
实现代码：
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk" />
<title>可控制左右翻滚的图片展示特效代码</title>
<style type="text/css">
*{margin:0;padding:0;}
ul{list-style:none}
#wrap{width:600px;border:1px solid orange;height:100px;overflow:hidden;float:left;}
#a li,#b li{float:left;width:110px;background:red;height:100px;margin-left:10px}
#scrolls{width:200%;float:left;}
#a,#b{float:left;}
.left,.right{width:20px;height:100px;line-height:100px;background:yellow;cursor:pointer;float:left;}
</style>
</head>
<body>
<div class="left" id="left" onclick="left()"><<</div>
<div id="wrap">
<div id="scrolls">
<div id="a">
<ul>
<li>22</li>
<li></li>
<li></li>
<li></li>
<li>11</li>
</ul>
</div>
<div id="b">
</div>
</div>
<script type="text/javascript">
var $ = function(id){return document.getElementById(id)};
var wrap = $("wrap");
var a = $("a");
var b = $("b");
var show = $("show");
var d;
b.innerHTML = a.innerHTML;
function scrolls(){
d = "n";
if(b.offsetWidth - wrap.scrollLeft <=0){
wrap.scrollLeft = wrap.scrollLeft - b.offsetWidth;
}
else{
wrap.scrollLeft++;
}
}
t = setInterval("scrolls()",10)
function backScrolls(){
if(wrap.scrollLeft <=0){
wrap.scrollLeft = wrap.scrollLeft + b.offsetWidth;
}
else{
wrap.scrollLeft--;
}
}
function left(){
d = "n";
clearT();
t = setInterval("scrolls()",10);
}
function right(){
d = "m";
clearT();
t = setInterval("backScrolls()",10);
}
function clearT(){
clearInterval(t);
}
function runs(){
if(d == "n"){
left();
}
else{
right();
}
}
wrap.onmouseover = function (){
clearT();
}
wrap.onmouseout = function(){
runs();
}
</script>
</div>
<div class="right" id="right" onclick="right()">>></div>
</body>
</html>
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