alert($("#id option:selected").val());
<selected id="id">
<option value="1" selected="selected">1</option>
<option value="2">2</option>
</selected>
本文共 205 字，大约阅读时间需要 1 分钟。
alert($("#id option:selected").val());
<selected id="id">
<option value="1" selected="selected">1</option>
<option value="2">2</option>
</selected>
转载于:https://www.cnblogs.com/duyunchao-2261/p/6513435.html