//封裝getClass       function getClass(tagName,className) //獲得標(biāo)簽名為tagName,類名className的元素       {         if(document.getElementsByClassName) //支持這個(gè)函數(shù)         {    return document.getElementsByClassName(className);         }         else         {    var tags=document.getElementsByTagName(tagName);//獲取標(biāo)簽           var tagArr=[];//用于返回類名為className的元素           for(var i=0;i < tags.length; i++)           {             if(tags[i].class == className)             {               tagArr[tagArr.length] = tags[i];//保存滿足條件的元素             }           }           return tagArr;         }       } 

<ul>  <li class="dicTap">1</li>  <li class="dicTap">2</li>  <li class="dicTap">3</li>  <li class="dicTap">4</li></ul>     

window.onload = function(){  var topMenus = getClass('li','dicTap');  for(var i=0;i < topMenus.length; i++)  {    alert(topMenus[i].innerHTML);      }}

//點(diǎn)擊的  自定義屬性personid，打開詳情頁面并且進(jìn)行跨頁面?zhèn)髦?      var dicTap = getClass('li','dicTap');         for(var i=0;i <dicTap.length; i++)         {           dicTap[i].addEventListener('tap',function(){             var personId=this.getAttribute("personid");             localStorage.a=personId;             mui.openWindow({             url: 'disciplineDetail.html',             id:'disciplineDetail'             });           })         }        //封裝getClass       function getClass(tagName,className) //獲得標(biāo)簽名為tagName,類名className的元素       {         if(document.getElementsByClassName) //支持這個(gè)函數(shù)         {    return document.getElementsByClassName(className);         }         else         {    var tags=document.getElementsByTagName(tagName);//獲取標(biāo)簽           var tagArr=[];//用于返回類名為className的元素           for(var i=0;i < tags.length; i++)           {             if(tags[i].class == className)             {               tagArr[tagArr.length] = tags[i];//保存滿足條件的元素             }           }           return tagArr;         }       }