var database = [{
username: "omar",
password: "secret"
}];
var newsFeed = [
{
username: "Amer",
timeline: "i hate studying"
},
{
username: "Khalid",
timeline: "i'm hungry "
}
];
var userName = prompt("what is your username?");
var passWord = prompt(" what is your password?");
function signIn(user, pass) {
if (user === database[0].username && pass === database[0].password) {
document.body.innerHTML = `${JSON.stringify(newsFeed, null, ' ')}
`;} else alert ("извините, ваше имя пользователя или пароль неверны!");} signIn (userName, passWord);