点击这个为什么不执行啊,求助
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
<title></title>
<script type="text/javascript" src="../jquery/jquery.js"></script>
</head>
<body>
<input type="button" value="111" onclick="check()" id="dd">
<script type="text/javascript">
$(document).ready(function(){
function check() {
alert("1");
}
});
</script>
</body>
</html>