方法：获取多选下拉框对象数组→循环判断option选项的selected属性（true为选中，false为未选中）→使用value属性取出选中项的值。实例演示如下：
1、HTML结构
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<
select
id
=
"test"
multiple
=
"true"
>
<
option
value
=
"option-A"
>option-A</
option
>
<
option
value
=
"option-B"
>option-B</
option
>
<
option
value
=
"option-C"
>option-C</
option
>
<
option
value
=
"option-D"
>option-D</
option
>
</
select
>
<
input
type
=
"button"
value
=
"确定"
onclick
=
"fun()"
/>
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2、javascript代码
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function
fun(){
var
select = document.getElementById(
"test"
);
var
str = [];
for
(i=0;i<select.length;i++){
if
(select.options[i].selected){
str.push(select[i].value);
}
}
alert(str);
}
|
3、效果演示
