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完美实现js焦点轮播效果(二)(图片可滚动)
时间:2017-06-06 编辑:简简单单 来源:一聚教程网
最简单轮播形式,js中通过pic的display属性控制变换,也可通过调整Pic的margin-Left
效果如图:
实现代码:
代码如下 | 复制代码 |
*{ margin: 0; padding: 0; list-style: none; text-decoration: none; } .wrap{ width: 490px; height: 170px; margin: 100px auto; border: 1px solid #000000; position: relative; overflow: hidden; } #pic{ width: 2450px; height: 170px; } #pic li{ float: left; } #list{ position: absolute; bottom: 10px; left:150px ; } #list li{ float: left; width: 15px; height: 15px; background: #fff; margin: 0 10px; border-radius: 50%; cursor: pointer; } #list .on{ background: #e27a00; } .Prev{ top: 30px; left: 0; } .Next{ top: 30px; right: 0; } .Prev,.Next{ position: absolute; font-size: 80px; font-weight: bold; color:#fff ; -webkit-transition: all 0.35s ease-in-out } .Next:hover, .Prev:hover{ background: #ccc; background: rgba(204, 204, 204, 0.4); } .show{ display: block; } .hidden{ display: none; }
window.onload=function(){ var pic=document.getElementById('pic').getElementsByTagName('li'); var list=document.getElementById('list').getElementsByTagName('li'); var prev=document.getElementById('Prev'); var next=document.getElementById('Next'); var index=0; var timer=null;
auto(); for(var i=0;i list[i].index=i; list[i].onmouseover=function(){ clearInterval(timer); Change(this.index); } list[i].onmouseout=function(){ auto(); } pic[i].onmouseover=function(){ clearInterval(timer); } pic[i].onmouseout=function(){ auto(); } } prev.onclick=function(){ clearInterval(timer); index--; if(index<=0){ index=list.length-1; } Change(index); } next.onclick=function(){ clearInterval(timer); index++; if(index>=list.length){ index=0; } Change(index); } prev.onmousemove=function(){ clearInterval(timer); } prev.onmouseout=function(){ auto(); } next.onmouseover=function(){ clearInterval(timer); } next.onmouseout=function(){ auto(); } function Change(curIndex){ for(var i=0;i list[i].className=""; pic[i].className="hidden"; } list[curIndex].className="on"; pic[curIndex].className="show"; index=curIndex; } function auto(){ timer=setInterval(function(){ index++; if(index>=list.length){ index=0 } Change(index); },2000); } }
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