用javascript实现不按Ctrl实现Multiple Select多选

用javascript实现不按Ctrl实现Multiple Select多选_表单特效

WBOY

Lepaskan： 2016-05-16 19:10:44

asal

1505 orang telah melayarinya

<title> New Document </title> 
<meta name="Generator" content="EditPlus"> 
<meta name="Author" content=""> 
<meta name="Keywords" content=""> 
<meta name="Description" content=""> 
 
 
<select id="oselect" name="cars" size="10" multiple> 
<option value="BMW">宝马</option> 
<option value="Porsche">保时捷</option> 
<option value="Benz">奔驰</option> 
<option value="Santana">桑塔纳</option> 
<option value="LK">林肯</option> 
<option value="?">标志</option> 
<option value="Bus">大公共</option> 
</select> 
<input type="button" id="btnShowSelected" value="查看选中项索引"> 
 
<script language="JavaScript"> 
 
</script>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]