Does window.print() work in all versions of Safari on iPad?

问题:

I have a few questions regarding Print used in iPad Safari (window.print())

1. Does the same JS method print() work in iPad Safari without needing any update?
2. Do we need to add the printer initially?
3. Does the iOS version matter for AirPrint?
4. In my page, I am using window.print() and it does not even give any popup or even any error. Nothing happens at all. I’m testing on iOS 3.2.

Please help. Thank you.

回答1:

Not sure about 1. and 2., but as for 3.:

To use AirPrint, you need one of the following devices running iOS 4.2 or later

(Emphasis mine ― http://support.apple.com/kb/ht4356)

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