Example 1: how to make a working login system using code
<!DOCTYPE html>
<html>
<head>
<title>Login</title>
<script>
firebase.initializeApp(firebaseConfig);
const auth = firebase.auth();
function signUp(){
var email = document.getElementById("email");
var password = document.getElementById("password");
const promise = auth.createUserWithEmailAndPassword(email.value, password.value);
promise.catch(e => alert(e.message));
alert("Signed Up");
}
function signIn(){
var email = document.getElementById("email");
var password = document.getElementById("password");
const promise = auth.signInWithEmailAndPassword(email.value, password.value);
promise.catch(e => alert(e.message));
}
function signOut(){
auth.signOut();
alert("Signed Out");
}
auth.onAuthStateChanged(function(user){
if(user){
var email = user.email;
alert("Signed in as " + email);
}else{
alert("No Active User");
}
});g
</script>
<style type="text/css">
body{
background-color: #55d6aa;
}
h1{
background-color: #ff4d4d;
margin: 10px auto;
text-align: center;
color: white;
}
#formContainer{
background-color: white;
box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);
width: 25%;
height: 45;
margin: 10px auto;
}
#header{
width: 100%;
height: 10px;
background: black;
}
#email{
width: 70%;
height: 40px;
display:block;
margin: 25px auto;
border: none;
outline: none;
border-bottom: 2px solid black;
}
#password{
width: 70%;
height: 40px;
display: block;
margin: 10px auto;
border: none;
outline: none;
border-bottom: 2px solid black;
}
#signUp{
background-color: #ff4d4d;
color: white;
border: none;
font-weight: bold;
padding: 15px 32px;
border-radius: 10px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 13px;
margin-top: 20px;
margin-left: 50px;
}
#signIn{
background-color: #32ff7e;
color: white;
font-weight: bold;
border: none;
padding: 15px 35px;
border-radius: 10px;
text-align: center;
text-decoration: none;
font-size: 13px
}
#signOut{
background-color: #FFA500;
color: white;
border: none;
padding: 12px 32px;
border-radius: 10px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 13px;
margin-top: 9px;
margin-left: 74px;
font-weight: bold;
}
button: hover{
box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 7px 50px 0 rgba(0,0,0,0,.19);
}
</style>
</head>
<body>
<h1>Login Here</h1>
<div id="formContainer">
<div id="header"> </div>
<input type="email" placeholder="Email" id="email">
<input type="password" placeholder="Password" id="password">
<button onclick="signUp()" id="signUp"> Sign Up </button>
<button onclick="signIn()" id="signIn"> Sign In </button>
<button onclick="signOut()" id="signOut"> Sign Out </button>
Continue</a>
</body>
</html>
Example 2: html login page
<html>
<head>
<title>Account</title>
<style>
body
{
background-color:#ffda08;
}
table
{
border:1px white;
margin-top:200px;
margin-left:500px;
background-color:white;
padding:20px
}
#btn
{
width:200px;
height:50px;
background-color:#1ee3d2;
}
</style>
</head>
<body>
<form name=frmNewAcc>
<table border=0 cellspacing=5px>
<tr>
<th colspan=3><input class=in =text name=txtuname placeholder="Enter your account name"></th>
</tr>
<tr>
<th colspan=3><input class=in type=password name=txtupass placeholder="Enter your new password"></th>
</tr>
<tr>
<th colspan=3><input class=in type=password name=txtuconfirmpass placeholder="Enter confirmed password"></th>
</tr>
<tr>
<th colspan=3><input id=btn type=button value="Create new account"></th>
<a href="Login task 1.html">Go back to login</a>
</tr>
</table>
</form>
</body>
</html>
Example 3: login form html
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title> Login Page </title>
<style>
Body {
font-family: Calibri, Helvetica, sans-serif;
background-color: pink;
}
button {
background-color: #4CAF50;
width: 100%;
color: orange;
padding: 15px;
margin: 10px 0px;
border: none;
cursor: pointer;
}
form {
border: 3px solid #f1f1f1;
}
input[type=text], input[type=password] {
width: 100%;
margin: 8px 0;
padding: 12px 20px;
display: inline-block;
border: 2px solid green;
box-sizing: border-box;
}
button:hover {
opacity: 0.7;
}
.cancelbtn {
width: auto;
padding: 10px 18px;
margin: 10px 5px;
}
.container {
padding: 25px;
background-color: lightblue;
}
</style>
</head>
<body>
<center> <h1> Student Login Form </h1> </center>
<form>
<div class="container">
<label>Username : </label>
<input type="text" placeholder="Enter Username" name="username" required>
<label>Password : </label>
<input type="password" placeholder="Enter Password" name="password" required>
<button type="submit">Login</button>
<input type="checkbox" checked="checked"> Remember me
<button type="button" class="cancelbtn"> Cancel</button>
Forgot <a href="#"> password? </a>
</div>
</form>
</body>
</html>
Example 4: login screen html
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body ,html{font-family: Arial, Helvetica, sans-serif;;}
form{
width:fit-content;
padding: 60px;
height:fit-content;
margin:0 auto;
margin-top: 2%;
background-color: #f9f9f9
}
.form-control {
width: 100%;
padding: 12px 20px;
margin: 8px 0;
display: inline-block;
border: 1px solid #ccc;
box-sizing: border-box;
}
button{
background-color: #4CAF50;
color: white;
border: none;
cursor: pointer;
width: 60%;
margin: 5px auto;
padding: 15px;
box-shadow: 0px 5px 5px #ccc;
border-radius: 5px;
border-top: 1px solid #e9e9e9;
display:block;
text-align:center;
}
.signup{
background-color:blue;
margin-bottom:20px;
}
.login-box {
position: absolute;
top: 50%;
transform: translateY(-50%);
padding: 15px;
background-color: #fff;
box-shadow: 0px 5px 5px #ccc;
border-radius: 5px;
border-top: 1px solid #e9e9e9;
}
button:hover,#btn-signup:hover {
opacity: 0.8;
}
.imgcontainer {
text-align: center;
margin: 24px 0 12px 0;
position: relative;
}
img.avatar {
width: 40%;
border-radius: 50%;
}
.container {
padding: 16px;
}
span.psw {
float: right;
padding-top: 16px;
}
h2,p{
text-align:center;
}
@media screen and (max-width: 300px) {
span.psw {
display: block;
float: none;
}
}
</style>
</head>
<body>
<form action="/action_page.php" method="post">
<h2>Welcome To Newscongragated</h2>
<p>Sign in</p>
<div class="container">
<label for="email"><b>Email</b></label>
<input
type="email"
class="form-control"
id="email"
placeholder="Enter your email"
required pattern='/^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/'>
<label for="name"><b>Password</b</label>
<input
type="password"
class="form-control"
id="password"
placeholder="Enter your password"
minlength="8"
required>
<button type="submit">Login</button>
<button type="button"
href="account/signup.php"
class="signup" >
Sign Up
</button>
<a href="./resetpassword.php">Forgot your password? </a>
</div>
</form>
</body>
</html>
Example 5: html login scripts
<form action="action_page.php" method="post">
<div class="imgcontainer">
<img src="img_avatar2.png" alt="Avatar" class="avatar">
</div>
<div class="container">
<label for="uname"><b>Username</b></label>
<input type="text" placeholder="Enter Username" name="uname" required>
<label for="psw"><b>Password</b></label>
<input type="password" placeholder="Enter Password" name="psw" required>
<button type="submit">Login</button>
<label>
<input type="checkbox" checked="checked" name="remember"> Remember me
</label>
</div>
<div class="container" style="background-color:#f1f1f1">
<button type="button" class="cancelbtn">Cancel</button>
<span class="psw">Forgot <a href="#">password?</a></span>
</div>
</form>