JS原生实现五角星评价详情demo

<style>
        *{margin: 0;padding: 0;}
        .pingfen{ width: 195px; margin:10px auto; height:20px; position: relative;}
        .pingfen ul{height:35px; margin-bottom: 10px;}
        .pingfen li{ width: 35px;margin-left: 4px; float: left; height: 35px; cursor: pointer; background:    url(/public/nrmap/img2/fstar2.png) no-repeat center center; list-style: none;}
        .pingfen .active{background: url(/public/nrmap/img2/fstar1.png) no-repeat center center;}
        .pingfen p{
            position: absolute; top:24px; left: 0px; width: 134px; height: 28px;
            background: #fff; line-height: 28px; text-align: center; border:1px solid #333;
            display:none;}
    </style>

<script>
    var aData =["很差","较差","一般","推荐","力推"];
    window.onload=function(){
        var oDiv = document.getElementById("rank");
        var aLi = oDiv.getElementsByTagName("li");
        var oP = oDiv.getElementsByTagName("p")[0];
        var i =0;
        for(i=0;i<aLi.length;i++){
            aLi[i].index = i;
            aLi[i].onmouseover= function(){
                oP.style.display = "block";
                oP.style.marginTop="30px";
                oP.innerHTML=aData[this.index];
                for(i=0; i<=this.index;i++){
                    aLi[i].className="active";
                }
            };
            aLi[i].onmouseout = function(){
                oP.style.display = "";
                for(i=0; i<aLi.length; i++){                    aLi[i].className="";            
    };         
   aLi[i].onclick=function(){        
        alert(aData[this.index]);    
        };     
   }   
 };
</script>

<body>
<div id="rank" class="pingfen"> 
   <ul>    
      <li></li>  
      <li></li>  
      <li></li>  
      <li></li>    
      <li></li>  
  </ul>   
 <p>加载中</p>  
 </div>
</body>