Originally Posted by Old Pedant
However, as many here will be happy to tell you, alert( ) is very badly out of style. Some browsers allow users to turn off ALL alerts. And likely most all browsers will do so soon.
So the only browser currently where anyone need ever see a third alert is IE. That's assuming that Microsoft haven't duplicated the alert functionality from other browsers into IE10 - I haven't got access to check that version at the moment. If it isn't in IE10 I'd expect it to be in IE11.
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