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script.js
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script.js
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document.addEventListener('DOMContentLoaded', function() {
const container = document.getElementById('container');
const registerBtn = document.getElementById('register');
const loginBtn = document.getElementById('login');
const signUpForm = document.querySelector('.form-container.sign-up form');
const signInForm = document.querySelector('.form-container.sign-in form');
registerBtn.addEventListener('click', () => {
container.classList.add("active");
});
loginBtn.addEventListener('click', () => {
container.classList.remove("active");
});
signUpForm.addEventListener('submit', function(event) {
if (!validateSignUpForm()) {
event.preventDefault();
}
});
signInForm.addEventListener('submit', function(event) {
if (!validateSignInForm()) {
event.preventDefault();
}
});
function validateSignUpForm() {
const name = signUpForm.querySelector('input[type="text"]').value;
const email = signUpForm.querySelector('input[type="email"]').value;
const password = signUpForm.querySelector('input[type="password"]').value;
if (name === '' || email === '' || password === '') {
alert('Please fill in all the fields.');
return false;
}
if (!isValidName(name)) {
alert('Please enter a valid name.');
return false;
}
if (!isValidEmail(email)) {
alert('Please enter a valid email address.');
return false;
}
if (!isValidPassword(password)) {
alert('Please enter a valid password. \nIt should be at least 8 characters long and include at least one uppercase letter, one lowercase letter, one digit, and one special character.');
return false;
}
return true;
}
function validateSignInForm() {
const email = signInForm.querySelector('input[type="email"]').value;
const password = signInForm.querySelector('input[type="password"]').value;
if (email === '' || password === '') {
alert('Please fill in all the fields.');
return false;
}
if (!isValidEmail(email)) {
alert('Please enter a valid email address.');
return false;
}
if (!isValidPassword(password)) {
alert('Please enter a valid password. It should be at least 8 characters long and include at least one uppercase letter, one lowercase letter, one digit, and one special character.');
return false;
}
return true;
}
function isValidEmail(email) {
const emailRegex = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/;
return emailRegex.test(email);
}
function isValidPassword(password) {
const passwordRegex = /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/;
return passwordRegex.test(password);
}
function isValidName(name) {
const nameRegex = /^[A-Za-z\s\-',.]+$/;
return nameRegex.test(name);
}
});