按回车调用登录按钮
<head>
<title>Check Score</title>
<script language="JavaScript">
function keyLogin(){
if (event.keyCode==13) //回车键的键值为13
document.getElementById("input1").click(); //调用登录按钮的登录事件
}
</script>
</head>
<body onkeydown="keyLogin();">
<input id="input1" value="登录" type="button" onClick="alert('调用成功!')">
</body>
</body>
</html>