js中开关变量使用实例
(编辑：jimmy 日期: 2025/9/27 浏览：3 次 )
效果图：
代码如下：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
*{
margin: 0;
padding: 0;
font-family: "微软雅黑";
}
#wrap{
width: 400px;
height: 500px;
border: 1px solid #ccc;
margin: 20px auto;
position: relative;
overflow: hidden;
background: #f1f1f1;
}
#wrap a{
width: 40px;
height: 50px;
background:rgba(0,0,0,.4);
/*border: 1px solid #fff;*/
position: absolute;
top: 50%;
margin-top: -25px;
text-align: center;
text-decoration: none;
line-height: 50px;
color: white;
font-size: 30px;
}
#wrap a:hover{
background:rgba(0,0,0,.9);
}
#prev{
left: 10px;
}
#next{
right: 10px;
}
#note,#span1{
position: absolute;
left: 0;
width: 400px;
height: 30px;
line-height: 30px;
text-align: center;
color: white;
background: rgba(0,0,0,.6);
}
#note{
bottom: 0;
}
#span1{
top: 0;
}
#img1{
width: 400px;
height: 500px;
}
section{
width: 400px;
height: 50px;
margin: 30px auto 0;
line-height: 50px;
text-align: center;
}
section input{
padding: 5px 15px;
margin-right: 10px;
}
.pink{
background: pink;
color: white;
}
</style>
</head>
<script>
window.onload=function(){
var oPrev=document.getElementById('prev');
var oNext=document.getElementById('next');
var oNote=document.getElementById('note');
var oSpan=document.getElementById('span1');
var oImg=document.getElementById('img1');
var arrURL=['https://timgsa.baidu.com/timg"button" value="循环播放" class="pink"/><input type="button" value="顺序播放" />
</section>
<div id="wrap">
<a href="javascript:;" rel="external nofollow" rel="external nofollow" id="prev"><</a>
<a href="javascript:;" rel="external nofollow" rel="external nofollow" id="next">></a>
<p id="note">图片文字加载中......</p>
<span id="span1">数量正在计算中......</span>
<img id="img1" />
</div>
</body>
</html>
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