答案 0 :(得分:11)
http://jsfiddle.net/UgHT5/这是你的需要吗?
<select multiple>
<option selected>a</option>
<option selected>b</option>
<option selected>c</option>
</select>
答案 1 :(得分:4)
比我想象的容易得多:
<select multiple name="type">
<option selected value="1">type 1</option>
<option selected value="2">type 2</option>
<option selected value="3">type 3</option>
</select>
找到this reference就足够了。