js代码

<script type="text/javascript" src="js/jquery.min.js"></script> 
<script type="text/javascript" src="js/score.js"></script> 
<script type="text/javascript">
  jQuery(document).ready(function($) {
    $('.score').score();
    $('.result button').on('click',function(){
      var _form_ = true ,
          scoreArr = [] ,
          eachEle = $('.score').children('[class^="score-"]');
      eachEle.each(function(index, el) {
        var l = $(el).children().attr('active-level');
        if(!l) _form_ = false;
        scoreArr.push(l);
      });

      if(_form_){
        var count = scoreArr.reduce(function(p,c){ return p + parseInt(c); },0)
        $('.result-score').html('综合得分：'+(count/scoreArr.length).toFixed(2));
      }
    })    
  });
</script>