<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>jquery test</title>
<script src="jquery-1.11.1.min.js"></script>
</head>
<body>
<div>
<form action="page_one.html" id="qianshou">
<input type="text"/>
<input type="submit" value="提 交"/>
</form>
</div>
<div>
<button name="update">修改form的提交地址为page_two.html</button>
</div>
</body>
<script>
var $fun = $('button[name=update]');
$fun.click(function(){
$('form[id=qianshou]').attr('action','page_two.html');
});
</script>
</html>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>jquery test</title>
<script src="jquery-1.11.1.min.js"></script>
</head>
<body>
<div>
<form action="page_one.html" id="qianshou">
<input type="text"/>
<input type="submit" value="提 交"/>
</form>
</div>
</body>
<script>
$('form[id=qianshou]').attr('action','page_two.html');
</script>
</html>