|  |  | 
 |  |  |                     ,'<td><div class="layui-progress" lay-filter="progress-demo-'+ index +'"><div class="layui-progress-bar" lay-percent=""></div></div></td>' | 
 |  |  |                     ,'<td>' | 
 |  |  |                     ,'<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>' | 
 |  |  |                     ,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>' | 
 |  |  |                     // ,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>' | 
 |  |  |                     ,'</td>' | 
 |  |  |                     ,'</tr>'].join('')); | 
 |  |  |  | 
 |  |  | 
 |  |  |                                 + '<td><div class="layui-progress" lay-filter="progress-demo-' + index + '"><div class="layui-progress-bar" lay-percent=""></div></div></td>' | 
 |  |  |                                 + '<td>' | 
 |  |  |                                 + '<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>' | 
 |  |  |                                 + '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>' | 
 |  |  |                                 // + '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>' | 
 |  |  |                                 + '</td>'; | 
 |  |  |  | 
 |  |  |                             // 将tr元素添加到目标table中 |