<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>js回车登录_www.jb200.com</title>
<script language="
javascript">
function keyLogin(){
if (event.keyCode==13) //回车键的键值为13
document.getElementByIdx_x("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>
<html>
<head>
<title>回车登录的例子_www.jb200.com</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" href="css/text.css" type="text/css">
</head>
<body bgcolor="#FFFFFF" text="#000000" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" onkeydown="on_return();">
<form name ="loginForm" method="post" action="fuck.html">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="69%" height="30"><span class="font_04">帐户名</span>
<input type="text" name="userName" size="18.5">
</td>
</tr>
<tr>
<td width="69%" height="30"><span class="font_04">密 码</span>
<input type="password" name="pwd" >
</td>
</tr>
<tr>
<td width="31%" height="30">
<a id="sub" onClick='check()' >登陆</a></td>
</tr>
</table>
</form>
</body>
</html>
<script language="javascript">
function check() {
var formname=document.loginForm;
if (formname.userName.value == "") {
alert("请输入用户名！");
formname.userName.focus();
return false;
}
if (formname.pwd.value == "") {
alert("请输入密码！");
formname.pwd.focus();
return false;
}
formname.submit();
}
//回车时，默认是登陆
function on_return(){
if(window.event.keyCode == 13){
if (document.all('sub')!=null){
document.all('sub').click();
}
}
}
</script>
