How to determine if window.confirm() is supported?

Question

I have a mobile website that is used by various devices including some onboard computers running a locked down version of Windows Embedded 7 with IE 7. For some reason that I ca

Answer 1

While the following suggested methods worked in every desktop browser I tested, they all evaluated to true on the device and still didn't display a dialog or navigate to the link in the anchor's href.

if (typeof confirm == 'object')
if ('confirm' in window && typeof window.confirm === 'object')
if (window.confirm)

(In IE 7, typeof somefunction is 'object' instead of 'function')

My solution was to use a jQuery UI Dialog instead, based on @ThiefMaster's suggestion.