layui点击按钮添加可编辑的一行方法

$("#addTable").click(function(){
var tr=" <tr>"+
   " <td data-field='domainId' data-edit='text'> <div class='layui-table-cell laytable-cell-1-domainId '>11 </div></td>"+
   " <td data-field='colName' data-edit='text'> <div class='layui-table-cell laytable-cell-1-colName '>22 </div></td>"+
   " <td data-field='typeName' data-edit='text'> <div class='layui-table-cell laytable-cell-1-typeName '>33 </div></td>"+
   " <td data-field='scale'  data-edit='text'> <div class='layui-table-cell laytable-cell-1-scale  '>44 </div></td>"+
   " <td data-field='notNull' data-edit='text'> <div class='layui-table-cell laytable-cell-1-notNull '>55 </div></td>"+      
   " </tr>";                                                                 
 $(".layui-table-body .layui-table tbody").append(tr); });