prompt method

String? prompt([
  1. String message,
  2. String default_
])

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.

Under some conditions — for example, when the user switches tabs — the browser may not actually display a dialog, or may not wait for the user to submit text or to cancel the dialog.

Implementation

external String? prompt([
  String message,
  String default_,
]);