请教下大家,我这个情况在多个tbody中获取其中一个tbody的所有的input type="checkbox", 那些被选中 那些没被选中应该怎么做, 求解
<table class="orderTable">
<tbody class="tb1">
<tr><h4>预约日期</h4></tr>
<tr>
<td><label><input type="checkbox" value="1" name="weekCheckbox"/>周一</label></td>
<td><label><input type="checkbox" value="2" name="weekCheckbox"/>周二</label></td>
</tr>
<tr>
<td><label><input type="checkbox" value="3" name="weekCheckbox"/>周三</label></td>
<td><label><input type="checkbox" value="4" name="weekCheckbox"/>周四</label></td>
</tr>
<tr>
<td><label><input type="checkbox" value="5" name="weekCheckbox"/>周五</label></td>
<td><label><input type="checkbox" value="6" name="weekCheckbox"/>周六</label></td>
</tr>
<tr>
<td><label><input type="checkbox" value="7" name="weekCheckbox"/>周日</label></td>
<td></td>
</tr>
</tbody>
<tbody class="tb2">
<tr><h4>预约日期</h4></tr>
<tr>
<td><label><input type="checkbox" value="1" name="weekCheckbox"/>周一</label></td>
<td><label><input type="checkbox" value="2" name="weekCheckbox"/>周二</label></td>
</tr>
<tr>
<td><label><input type="checkbox" value="3" name="weekCheckbox"/>周三</label></td>
<td><label><input type="checkbox" value="4" name="weekCheckbox"/>周四</label></td>
</tr>
<tr>
<td><label><input type="checkbox" value="5" name="weekCheckbox"/>周五</label></td>
<td><label><input type="checkbox" value="6" name="weekCheckbox"/>周六</label></td>
</tr>
<tr>
<td><label><input type="checkbox" value="7" name="weekCheckbox"/>周日</label></td>
<td></td>
</tr>
</tbody>
</table>