Question

jquery怪事

<select id="sel"><select>
var sel=$("#sel");
1
sel.append("<option value='1'>DDD</option>");
结果为:
<select id="sel">
<option value='1'>DDD</option>
<option></option>
<select>
2:
sel.append(new Option("DDD","1"));
结果为:
<select id="sel">
<option value='1'>DDD</option>
<select>

Answer 1

你想实现什么？我这样测试着没问题啊，<select id="sel"><select>
<input type="button" id="addselect" value="添加select" />
$(function () {
var sel = $("#sel");
$("#addselect").click(function () {
sel.append("<option value='1'>DDD</option>");
});
});

Answer 2

sel.html("<option value='1'>DDD</option>");试试

追问

需要循环添加多项!

追答

var html="";
for(var i=0;i"+i+""";
sel.html(html);