发表评论
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus?">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
<script type="text/javascript" src="jquery-1.9.1.min.js"></script>
<script type="text/javascript" >
$(document).ready(function (){
$('#mainfile').change(function (){
var val = $(this).val();
alert(val);
var text=$('#subfile').children('option[value='+val+']').attr("selected",true);
alert(text);
});
});
</script>
</head>
<body>
<select id="mainfile">
<option value="022">022 - 人身保险简易投保单</option>
<option value="031">031 - 人身保险投保单</option>
<option></option>
</select>
<select id="subfile">
<option value="022">022 - 人身保险简易投保单</option>
<option value="031">031 - 人身保险投保单</option>
<option></option>
</select>
</body>
</html>