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login.html
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login.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
input {
border-radius: 20px;
display: block;
margin: 10px auto;
width: 60%;
height: 20px;
padding: 5px 20px;
}
div {
background-color: white;
width: 30%;
margin: auto;
margin-top: 200px;
padding-top: 20px;
text-align: center;
}
button {
width: 80px;
padding: 4px;
margin: 10px;
border-radius: 20px;
background-color: whitesmoke;
}
button:hover {
background-color: gray;
cursor: pointer;
}
body {
background-image: url("lapt.jpg");
background-repeat: no-repeat;
width: 100%;
}
#register {
display: none;
}
</style>
</head>
<body>
<!-- login start -->
<div id="login">
<h3>Login Page</h3>
<input id="user" type="text" placeholder="username" />
<input id="pass" type="password" placeholder="password" />
<button onclick="bt()">Login</button>
<a onclick="fucauth()">register</a>
</div>
<!-- login ed -->
<!-- register start -->
<div id="register">
<h3>Register Page</h3>
<input id="reguser" type="text" placeholder="username" />
<input id="regpass" type="password" placeholder="password" />
<button onclick="bt()">Register</button>
<a onclick="fucauth()">Login</a>
</div>
<!-- register ed -->
<script>
let loginActive = false;
const database = [
{
username: "user23",
password: "1234",
},
];
function fucauth() {
if (!loginActive) {
loginActive = true;
document.getElementById("register").style.display = "block";
document.getElementById("login").style.display = "none";
return;
}
loginActive = false;
document.getElementById("register").style.display = "none";
document.getElementById("login").style.display = "block";
}
function bt() {
if (!loginActive) {
const user = document.getElementById("user").value;
const pass = document.getElementById("pass").value;
const res = database.find(
(item) => item.username == user && item.password == pass
);
if (!res) alert("user/pass salah");
else alert("login berhasil");
return;
}
const user = document.getElementById("reguser").value;
const pass = document.getElementById("regpass").value;
const bebas = database.find((item) => item.username == user);
if (bebas) {
alert("user telah dipakai");
return;
}
database.push({
username: user,
password: pass,
});
alert("registrasi berhasil");
}
</script>
</body>
</html>