坚持每天一点点，加油！
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>1、初识jquery</title>
<script type="text/javascript" src="../js/jquery-1.6.4.js"></script>
<script type="text/javascript">
function Submit()
{
$("div.1").show();
}
</script>
</head>
<body>
<div id="1">
<div style="display:none" class="1">
hello word
</div>
</div>
<button class="sumbit" onclick="window.Submit();">提交</button>
</body>
</html>
