                        課程
                    
                        /前端開發(fā)
                        
                            /JavaScript
                        
                        /焦點圖輪播特效

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<!DOCTYPE?html>
<html>
<head>
<meta?charset="UTF-8">
<title>焦點圖練習1</title>
<style>
*{margin:0px;padding:0px;text-decoration:none;}
body{
padding:20px;
}
#container{
width:600px;
height:400px;
border:3px?solid?#333;
overflow:hidden;/*為了將多余的部分隱藏*/
position:relative;}
#list{
width:4200px;
height:400px;
position:absolute;
z-index:1;
}
#list?img{
float:left;
}
#buttons{
position:absolute;
height:10px;
width:100px;
z-index:2;
bottom:20px;
left:250px;}
#buttons?span{
cursor:pointer;
float:left;
border:1px?solid?#fff;
width:10px;
height:10px;
border-radius:50%;
background:#333;
margin-right:5px;
}
#buttons.on{
background:orangered;
}
.arrow{
cursor:pointer;
display:none;
line-height:39px;
text-align:center;
font-size:36px;
font-weight:bold;
width:40px;
height:40px;
position:absolute;
z-index:2;
top:180px;
background-color:RGBA(0,0,0,3);
color:#fff;
}
.arrow:hover{
?background-color:RGBA(0,0,0,7);}
#container:hover?.arrow{
display:block;}
#prev{
left:20px;
}
#next{
right:20px;
}
</style>
<script?type="text/javascript">
window.onload=function(){
var?container=document.getElementById("container")
var?list=document.getElementById("list")
var?buttons=document.getElementById("buttons").getElementsByTagName("span");
var?prev=document.getElementById("prve");
var?next=document.getElementById("next");


}
</script>
</head>
<body>
<div?id="container">
????<div?id="list"?style="left:-600px;">
????<img?src="images1/5.jpg"?alt="1">
????<img?src="images1/1.jpg"?alt="1">
????<img?src="images1/2.jpg"?alt="2">
????<img?src="images1/3.jpg"?alt="3">
????<img?src="images1/4.jpg"?alt="4">
????<img?src="images1/5.jpg"?alt="5">
????<img?src="images1/1.jpg"?alt="5">
????</div>
????<div?id="buttons">
????<span?index="1"></span>
????<span?index="2"></span>
????<span?index="3"></span>
????<span?index="4"></span>
????<span?index="5"></span>
????</div>
????<a?href="javascript:;"?id="prev">&lt;</a>
?????????<a?href="javascript:;"?id="next">&gt;</a>
</div>
</body>
</html>