TYPESCRIPT

Scripts may close only the windows that were opened by them.

// You can only close a window that your script made, so this is possible:

window.open("", "_blank", "");
window.close();

// But otherwise you can change the link, like that:

location.href = "https://bruh.io";

// Make sure that you have https://

Scripts may close only the windows that were opened by them

open window with target="_blank"
and the perform window.close();