<div class="starts"> <ul id="pingStar">  <li rel="1" title="特別差，給1分"></li>  <li rel="2" title="很差，給2分"></li>  <li rel="3" title="一般般，給3分"></li>  <li rel="4" title="很好，給4分"></li>  <li rel="5" title="非常好，給5分"></li>  <span id="dir"></span> </ul> <input type="hidden" value="" id="startP"></div>

.starts,.starts ul{float:left;}.starts{padding-left:16px;padding-top:7px;}.starts ul li{width:32px;height:31px;float:left;background:#ddd;padding-right:3px;}.starts ul li.on{background:red;}.starts ul span{display:inline;float:left;padding-left:10px;height:31px;line-height:31px;}

window.onload = function () { var s = document.getElementById("pingStar"),  m = document.getElementById('dir'),  n = s.getElementsByTagName("li"),  input = document.getElementById('startP'); //保存所選值 clearAll = function () {  for (var i = 0; i < n.length; i++) {   n[i].className = '';  } } for (var i = 0; i < n.length; i++) {  n[i].onclick = function () {   var q = this.getAttribute("rel");   clearAll();   input.value = q;   for (var i = 0; i < q; i++) {    n[i].className = 'on';   }   m.innerHTML = this.getAttribute("title");  }  n[i].onmouseover = function () {   var q = this.getAttribute("rel");   clearAll();   for (var i = 0; i < q; i++) {    n[i].className = 'on';   }  }  n[i].onmouseout = function () {   clearAll();   for (var i = 0; i < input.value; i++) {    n[i].className = 'on';   }  } }}