// window.prompt(message);

/*

`window.prompt` opens a confirmation dialog with an "Ok"

and "Cancel" button. Upon receiving input, the dialog is

closed and a boolean is returned. `window.prompt` returns

the input string if the "Ok" button was pressed or null

if "Cancel" was pressed.

*/

​

const user_input = window.prompt("Hello, what language do you code in?");

​

if (user_input && user_input.trim()) {

    window.alert(user_input + "! Cool!");

} else {

    window.alert("Oh no! You don't seem to have written anything...");

}

/*

Note that this will pause code execution until the

dialog receives input.

*/