javaweb 怎么删除用户前确认一下

Question

 <table width="773" border="0" align="center" cellpadding="0" cellspacing="0">
          <tr align="center">
            <td width="102" align="left"  class="text_cray1"><a href="#">
              <label></label>
              <label></label>
              <label>
              <input type="checkbox" name="checkbox2" value="11"  onclick="selectAllNullorReserve('ids','反选');" ><span class="text_blue">全选</span></label>
            </a></td>
            <td width="525" align="right"  class="text_cray1"><a href="#">
            </a></td>
            <td width="55" align="right"  class="text_cray1"><a href="#">
              <input name="Submit22" type="button" class="butsc" value="" onclick="del()" />
            </a></td>
            <td width="91" align="right"  class="text_cray1"><label>
              <input name="Submit3" type="button" class="butdc" value="" onclick="window.location.href='<%=request.getContextPath() %>/Admin/admin?action=export'" />
            </label></td>
          </tr>
        </table>


                JSP文件的一部分如上，<input name="Submit22" type="button" class="butsc" value="" onclick="del(    这个是删除的按钮。怎么点按钮后有个确认的窗口呢？

Answer 1

  <input name="Submit22" type="button" class="butsc" value="" onclick="if(confirm('确认删除？！'))del()" />