document.getElementById('passwordForm')
    .addEventListener('submit', function(event) {
        event.preventDefault();
        const password = document.getElementById('password').value;
        const errorMessages = document.getElementById('errorMessages');
        errorMessages.innerHTML = '';
        let errors = [];

        if (password.length < 8) {
            errors.push('The password must be at least 8 characters long.');
        }
        if (!/[A-Z]/.test(password)) {
            errors.push('The password must contain one uppercase letter.');
        }
        if (!/[a-z]/.test(password)) {
            errors.push('The password must contain one lowercase letter.');
        }
        if (!/[0-9]/.test(password)) {
            errors.push('The password must contain one number.');
        }
        if (!/[!@#$%^&*(),.?":{}|<>]/.test(password)) {
            errors.push('The password must contain one special character.');
        }
        if (errors.length > 0) {
            errors.forEach(error => {
                const p = document.createElement('p');
                p.textContent = error;
                errorMessages.appendChild(p);
            });
        } else {
            alert('Valid password!');
        }
    });