JavaScript

Closure

const login = (email, password) => {
  const user = {
    email: "adam@example.com",
    password: "123456",
  }

  const authenticate = () => {
  }

  return authenticate();
}

const message = login("adam@example.com", "password");
console.log(message);


const login = (email, password) => {
  const user = {
    email: "adam@example.com",
    password: "123456",
  }

  const authenticate = () => {
    if (email === user.email && password === user.password)
      return "Login Successful";

    return "Invalid Credentials";
  }

  return authenticate();
}

const message = login("adam@example.com", "password");
console.log(message);
