index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Form Validation</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap" rel="stylesheet">
    <link rel="stylesheet" href="style.css">
    <script defer src="index.js"></script>
</head>
<body>
    <div class="container">
        <form id="form" action="/">
            <h1>Form Validation</h1>
            <div class="input-control">
                <label for="fullName">Full Name</label>
                <input type="text" id="fullName" placeholder="Enter your full name" required>
                <div class="error"></div>
            </div>
            <div class="input-control">
                <label for="email">Email</label>
                <input type="email" id="email" placeholder="Enter your email" required>
                <div class="error"></div>
            </div>
            <div class="input-control">
                <label for="phone">Phone Number</label>
                <input type="text" id="phone" placeholder="Enter your phone number" required>
                <div class="error"></div>
            </div>
            <div class="input-control">
                <label for="username">Username</label>
                <input type="text" id="username" placeholder="Enter your username" required>
                <div class="error"></div>
            </div>
            <div class="input-control">
                <label for="password">Password</label>
                <input type="password" id="password" placeholder="Enter your password" required>
                <div class="error"></div>
            </div>
            <div class="input-control">
                <label for="confirmPassword">Confirm Password</label>
                <input type="password" id="confirmPassword" placeholder="Confirm your password" required>
                <div class="error"></div>
            </div>
            <button type="submit" class="btn btn-primary">Submit</button>
        </form>
    </div>
</body>
</html>