$confirm

Shows a confirmation alert box that the user can close. The same as $alert, except with a question mark icon and a OK and Cancel button, where the OK buttons returns true in a callback. See Examples for how to use it.

$confirm(options, callback)

Parameter	Type	Description
options	String or WinObject	The text to display. Can also be a WinObject with a msg (and icon) property, to set more specific options.
callback	Function	The callback for the function. Called with true if user presses OK, and with false if the user pressed Cancel.