我正在尝试检测物体被放入哪个单元格。
<table>
<tr>
<td class="weekday">Sun</td>
<td class="weekday">Mon</td>
<td class="weekday">Tue</td>
<td class="weekday">Wed</td>
<td class="weekday">Thu</td>
<td class="weekday">Fri</td>
<td class="weekday">Sat</td>
</tr>
<tr>
<td class="droppable"> </td>
<td class="droppable"> </td>
<td class="droppable"> </td>
<td class="droppable"> </td>
<td class="droppable"> </td>
<td class="droppable"> </td>
<td class="droppable"> </td>
</tr>
</table>
<div class="draggable">Drag Me</div>
在放置时，如何确定 div 被放置到哪一天？
我无法在单元格内工作 - 我什至尝试将 div 放入每个单元格内。如果将可拖动的 div 放入可放置的 div 中，此代码将起作用：
$(".draggable").draggable();
$(".droppable").droppable({
drop: function(event, ui) {
$(this).html('Dropped!');
}
});
<table>
<tr>
<td class="weekday">Sun</td>
<td class="weekday">Mon</td>
<td class="weekday">Tue</td>
<td class="weekday">Wed</td>
<td class="weekday">Thu</td>
<td class="weekday">Fri</td>
<td class="weekday">Sat</td>
</tr>
<tr>
<td><div class="droppable">empty</div></td>
<td><div class="droppable">empty</div></td>
<td><div class="droppable">empty</div></td>
<td><div class="droppable">empty</div></td>
<td><div class="droppable">empty</div></td>
<td><div class="droppable">empty</div></td>
<td><div class="droppable">empty</div></td>
</tr>
</table>
<div class="droppable">drop in me!</div>
<div class="draggable">Drag Me</div>
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