cloneNode实现表格增加删除效果

<%@   page   contentType="text/html;   charset=gb2312"   %>    
  <html>    
  <head>    
  <title>查询窗口</title>    
  <script   language="JavaScript">    
     
  function   changeValue1(obj){    
  if(obj.value   ==   0){    
  document.getElementById("result").value   =   "f117";      
  }else   {    
  document.getElementById("result").value   =   "gaofei";      
  }    
  }    
    function   changeValue(obj){    
  if(obj.value   ==   0){    
  obj.parentElement.parentElement.cells[1].children[0].value   =   "f117";      
  }else   if(obj.value   ==   1){    
  obj.parentElement.parentElement.cells[1].children[0].value   =   "gaofei";      
  }else      
  obj.parentElement.parentElement.cells[1].children[0].value   =   "";      
     
  } 
  function   insertrow(){    
  var   newrow   =   document.all.tbl.rows[0].cloneNode(true); //克隆一行    
  document.all("newTB").appendChild(newrow); //添加刚才克隆的一行    
  }    
     
  function   delerow(){    
  var   numrow   =   document.all("newTB").rows.length;    
  if   (numrow   ==   0)   {    
  alert("此行无法删除！");    
  return   false;}    
  document.all("newTB").deleteRow(numrow-1);    
  }    
  </ script>    
  </head>    
     
  <body   class="dialog_body">    
      
  </body>    
  </html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

cloneNode实现表格增加删除效果_javascript技巧