Teman-teman dapat melihat di bawah ini merupakan kode untuk membuat program tersebut.
<html>
<head>
<title>TUGAS PEMROGRAMAN WORLD WIDE WEB</title>
<style></style>
<script type="text/javascript">
function valregister(){
var x=register.txtemail.value;
if(x==""){
alert("Alamat Email Masih Kosong");
register.txtemail.focus();
return false;
}else{
var atpos=x.indexOf("@");
var dotpos=x.lastIndexOf(".");
if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length){
alert("Alamat Email Tidak Valid");
register.txtemail.focus();
return false;
}
}
var z=register.txtpassword.value;
var panjang=z.length;
if(register.txtpassword.value==""){
alert("Sandi Masih Kosong");
register.txtpassword.focus();
return false;
}
if(panjang<5){
alert("Sandi Minimum 5 Karakter");
register.txtpassword.focus();
return false;
}
alert("Berhasil Masuk");
return true;
}
</script>
</head>
<body>
<h1>LOGIN EMAIL</h1>
NAME : UMAR DAVID RAMADANI<br/><p>
TASK : FORM & LOGIN JAVASCRIPT</p>
<form name="register" action="" method="post" enctype="multipart/form-data" onSubmit="return valregister()">
<br />
<table align="left" width="200" border="0">
<tr>
<td height="32">Email</td>
<td><input type="text" name="txtemail" id="txtemail" size="20" maxlength="50"></td>
</tr>
<tr>
<td height="32">Sandi</td>
<td><label>
<input name="txtpassword" type="password" id="txtpassword">
</label></td>
</tr>
<tr>
<td></td>
<td ><input name="mlebu" type="submit" id="mlebu" value="Masuk" onsubmit="valregister()" /></td>
</tr>
<tr>
<td></td>
<td ><input name="wurung" type="reset" id="wurung" value="Batal" /></td>
</tr>
</table>
</form>
</body>
</html>
Berikut adalah tampilan akhir kode program :
Selamat mencoba...
