jquery-在<select> </select> </option>中添加<option>标签

Question

我有一个下拉列表，如

<select name="select"> 
   <option value="value2">Value 2</option>
   <option value="value3">Value 3</option>
</select>

我想在顶部添加一个额外的<option>标记

<select name="select">
   <option value="value1" disabled selected>Value 1</option> 
   <option value="value2">Value 2</option>
   <option value="value3">Value 3</option>
</select>

我怎么能用jquery做到。

Answer 1

$(
   '<option></option>',
   {value:"newvalue",text:"new option"}
).attr({
   disabled:"disabled",
   selected:"selected"
}).prependTo("select[name='select']")