我使用了两个选择元素,但是当点击按钮时,无法在选择字段中交换城市:
<div class="select-wrapper">
<select class="airport-select__departure">
<option value="1" selected>London(LGW)</option>
<option value='2'>Paris(SHG)</option>
<option value='3'>Vancouver(VAI)</option>
</select>
<button class="select-swap"> </button>
</div>
<select class="airport-select__arrival">
<option value='1' selected>New York(JFK)</option>
<option value='2'>London(LGW)</option>
<option value='3'>Vancouver(VAI)</option>
</select>