▶ <form onsubmit="return function()"> ( 처리 방법 ) > SCRIPT

<script>

function loginOK(){

if(login.member_id.value == ""){

alert("아이디를 입력하세요.");

login.member_id.focus();

return false;

}

if(login.member_pass.value == ""){

alert("비밀번호를 입력하세요.");

login.member_pass.focus();

return false;

}

document.login.submit();

}

</script>

<form name="login" action="login.html" method="post" onsubmit="return loginOK()">

<table>

<tr>

<td>아이디</td>

<td><input id="member_id" name="member_id"></td>

</tr>

<tr>

<td>비밀번호</td>

<td><input id="member_pass" name="member_pass"></td>

</tr>

<tr>

<td></td>

<td>

<input type="submit" value="로그인">

<button>로그인</button>

</td>

</tr>

</table>

</form>