JavaScript 实现五星评分功能实例

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>53</title>
 <script src='js/jquery-1.11.1.js'></script>
 <style>
 *{
  margin: 0;
  padding: 0;
 }
 body{
  padding: 20px;
 }
 .star1{
  width: 70px;
  height: 13px;
  background: url('images/star1.png') repeat-x left center;
 }
 .star2{
/*  width: 60%;*/
  height: 13px;
  background: url('images/star2.png') repeat-x left center;
  float: left;
 }
 </style>
 <script>
 $(function(){
  var fiveStars=function(num){
  if(!num||num<3){
  return '--';
  }
  return '<div class="star1"><div class="star2" style="width:'+num*20+'%"></div></div>';
  }
 var str=fiveStars(4)
 $('body').html(str)
 
 })
 </script>
</head>
<body>
<!--<div class='star1'><div class="star2"></div></div> -->
</body>
</html>