jquery动态表单增删操作

  <style>

    
     div {
    
         width: 500px;
    
         line-height: 30px;
    
         font-size: 18px;
    
         margin: 20px auto;
    
         border: 1px solid #000;
    
         padding: 20px;
    
         box-sizing: border-box;
    
     }
    
  
    
     div button {
    
         float: right;
    
     }
    
  
    
     table {
    
         margin: 10px auto;
    
         border-collapse: collapse;
    
         text-align: center;
    
     }
    
  
    
     div:nth-child(3) {
    
         border: none;
    
     }
    
     </style>