完美实现js焦点轮播效果(一)
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2023-11-23 17:48:16
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:
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:
<!doctype html> <html> <head lang="en"> <meta charset="utf-8"> <title></title> <style type="text/css"> *{ 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; } </style> <script type="text/javascript"> 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.length;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.length;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); } } </script> </head> <body> <div class="wrap" id="wrap"> <ul id="pic"> <li class="show"><a href="#"><img src="/54111cd9000174cd04900170.jpg" alt=""/></a></li> <li><a href="#"><img src="/54111dac000118af04900170.jpg" alt=""/></a></li> <li><a href="#"><img src="/54111d9c0001998204900170.jpg" alt=""/></a></li> <li><a href="#"><img src="/54111d8a0001f41704900170.jpg" alt=""/></a></li> <li><a href="#"><img src="/54111d7d00018ba604900170.jpg" alt=""/></a></li> </ul> <ul id="list"> <li class="on"></li> <li></li> <li></li> <li></li> <li></li> </ul> <a href="javascript:;" class="prev" id="prev"><</a> <a href="javascript:;" class="next" id="next">></a> </div> </body> </html>
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