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Message from discussion Preventing "Prevent this page from creating additional dialogs"
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Evertjan.  
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 More options Apr 6 2012, 3:22 am
Newsgroups: comp.lang.javascript
From: "Evertjan." <exjxw.hannivo...@interxnl.net>
Date: 06 Apr 2012 07:22:13 GMT
Local: Fri, Apr 6 2012 3:22 am
Subject: Re: Preventing "Prevent this page from creating additional dialogs"
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Gene Wirchenko wrote on 06 apr 2012 in comp.lang.javascript:

>>But it does, it defaults to not false, try it out.

>      I did with
>           alert(alert("Hi"));
> I got an alert with "Hi" then one with "undefined".  This was on IE 9.
> All of my examples in this post were done under IE 9.

Never touch the stuff.

>>There are no internal or defined functions without an implicit return
>>value in javascript.

>>Think it over, why should this crash?

>>if (alert(1)) ...

>      It did not crash for me.  I gave it an else clause, and that
> clause was executed.

So it was interpreted as not being false, so true.

If no return was given, the code woud crash/halt.

--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)


 
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