利用iscroll4实现轮播图效果实例代码

<div id="wrapper"> <div id="scroller">  <ul id="thelist">   <li><strong>1.</strong> <em>A robot may not injure a human being or, through inaction, allow a human being to come to harm.</em></li>   <li><strong>2.</strong> <em>A robot must obey any orders given to it by human beings, except where such orders would conflict with the First Law.</em></li>   <li><strong>3.</strong> <em>A robot must protect its own existence as long as such protection does not conflict with the First or Second Law.</em></li>   <li><strong>4Zeroth Law:</strong> <em>A robot may not harm humanity, or, by inaction, allow humanity to come to harm.</em></li>  </ul> </div></div><div id="nav"> <div id="prev" onclick="myScroll.scrollToPage('prev', 0);return false">← prev</div> <ul id="indicator">  <li class="active">1</li>  <li>2</li>  <li>3</li>  <li>4</li> </ul> <div id="next" onclick="myScroll.scrollToPage('next', 0);return false">next →</div></div>

<style type="text/css" media="all">body, ul, li { padding: 10px; margin: 0;}body { font-size: 12px; -webkit-user-select: none; -webkit-text-size-adjust: none; font-family: helvetica;}#wrapper { width:100%; height: 160px; float: left; position: relative; /* On older OS versions "position" and "z-index" must be defined, */ z-index: 1;   /* it seems that recent webkit is less picky and works anyway. */ overflow: hidden; background: #aaa; -webkit-border-radius: 10px; -moz-border-radius: 10px; -o-border-radius: 10px; border-radius: 10px; background: #e3e3e3;}#scroller { /*width: 2100px;*/ height: 100%; float: left; padding: 0;}#scroller ul { list-style: none; display: block; float: left; width: 100%; height: 100%; padding: 0; margin: 0; text-align: left;}#scroller li { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; -o-box-sizing: border-box; box-sizing: border-box; display: block; float: left; /*width: 300px;*/ height: 160px; text-align: center; font-family: georgia; font-size: 18px; line-height: 140%;}#nav { width:100%; float: left;}#prev, #next { float: left; font-weight: bold; font-size: 14px; padding: 5px 0; width: 80px;}#next { float: right; text-align: right;}#indicator, #indicator > li { display: block; float: left; list-style: none; padding: 0; margin: 0;}#indicator { width: 110px; padding: 12px 0 0 30px;}#indicator > li { text-indent: -9999em; width: 8px; height: 8px; -webkit-border-radius: 4px; -moz-border-radius: 4px; -o-border-radius: 4px; border-radius: 4px; background: #ddd; overflow: hidden; margin-right: 4px;}#indicator > li.active { background: #888;}#indicator > li:last-child { margin: 0;}</style>

<script src="js/jquery.js"></script><script src="js/iscrollc.js"></script><script type="text/javascript"> var myScroll; var timer; var i=0; var obj=$('#wrapper'); var obj_w=obj.outerWidth(true); var oli=obj.find('li'); var oli_l=oli.length; oli.outerWidth(obj_w); $('#scroller').width(oli_l*obj_w); function loaded() {  myScroll = new iScroll('wrapper', {   snap: true,   momentum: false,   hScrollbar: false,   onScrollEnd: function () {    document.querySelector('#indicator > li.active').className = '';    document.querySelector('#indicator > li:nth-child(' + (this.currPageX+1) + ')').className = 'active';   },   onBeforeScrollStart:function(){    clearInterval(timer);    },   onTouchEnd:function(){    timer=setInterval(gund,2000);    i=myScroll.currPageX    },   }); timer=setInterval(gund,2000);  function gund(){ //每5秒滚动   i++;      if(i==oli_l){    i=0;    myScroll.scrollToPage(0, 0, 1000); //滚回第一页   } else {    myScroll.scrollToPage('next', 0);   };   document.title=i  };  };document.addEventListener('DOMContentLoaded', loaded, false);</script>