window.prompt() instructs the browser to display a dialog with an optional message prompting the user to input some text, and to wait until the user either submits the text or cancels the dialog.
window.prompt()
MDN Reference
Optional
In desktop app, prompt() returns a Promise. Thus you should always do await prompt(...) which will work in all environments.
await prompt(...)
window.prompt()instructs the browser to display a dialog with an optional message prompting the user to input some text, and to wait until the user either submits the text or cancels the dialog.MDN Reference