添加删除 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script language="javascript" type="text/javascript">
      // 增加分类函数
      function addSort()
      {
         var name = document.getElementById("name").value;
          if(name == "" ) {
                alert("请输入分类名称！");
                document.getElementById("name").focus();
                return;
          }
 
          var row = document.createElement("tr");
          row.setAttribute("id", name);
          var cell = document.createElement("td");
          cell.appendChild(document.createTextNode(name));
          row.appendChild(cell);
          
          var deleteButton = document.createElement("input");
          deleteButton.setAttribute("type", "button");
          deleteButton.setAttribute("value", "删除");
          deleteButton.onclick = function () { deleteSort(name); };
          cell = document.createElement("td");
          cell.appendChild(deleteButton);
          row.appendChild(cell); 
          document.getElementById("sortList").appendChild(row);
      //清空输入框
          document.getElementById("name").value = "";
      }

      // 删除分类函数
      function deleteSort(id)
      {
            if (id!=null)
            {
                   var rowToDelete = document.getElementById(id);
                   var sortList = document.getElementById("sortList");
                   sortList.removeChild(rowToDelete);
            }
      }

</script>
</head>

<body>
<div> <span>
  <input id="name" type="text" size="15">
  </span><span>
  <input type="button" id="submit1" value="添加" onclick="addSort();" />
  </span> </div>
<!--<table style="width:400px; background-color:#99ccff;">
  <tbody>
    <tr>
      <td height="20"><input id="name" type="text" size="15"></td>
      <td height="20"><input type="button" id="submit1" value="添加" onclick="addSort();" /></td>
    </tr>
  </tbody>
</table>-->
<table style="border:1px solid #000000;" width="400">
  <tr>
    <td >分类名称</td>
    <td id="pos_1">操作</td>
  </tr>
  <tbody id="sortList" >
  </tbody>
</table>
</body>
</html>

 

posted @ 2016-05-06 16:15  Cutelady  阅读(159)  评论(0)    收藏  举报