请老师检查下代码

来源：3-3 编程练习

慕仙0287733

2020-06-11 21:54:41

<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<title>习题</title>
</head>

<body>
<input type="text" value="">
<p></p>
<script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
<script>
//此处写代码
$('input').keyup(function () {
$('p').html($('input').val());
});
</script>
</body>

</html>