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Groups > comp.lang.javascript > #31280

Re: restore window alert

From Martin Honnen <martin.honnen@gmx.de>
Newsgroups comp.lang.javascript
Subject Re: restore window alert
Date 2016-09-08 16:32 +0200
Organization Liberty Development
Message-ID <nqrspj$dg4$1@news.albasani.net> (permalink)
References <toydnbeQVIupLk3KnZ2dnUU7-KXNnZ2d@westnet.com.au> <18kx87e56fmrr.u0ghv1tkc6cu.dlg@40tude.net> <92e03e5f-e115-40d1-ba94-4b34459d8c14@googlegroups.com>

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On 08.09.2016 15:43, Michael Haufe (TNO) wrote:
> On Thursday, September 8, 2016 at 6:47:29 AM UTC-5, JJ wrote:
>> On Thu, 8 Sep 2016 10:39:16 +1000, Andrew Poulos wrote:

>>> Is there any way to reference the native window.alert once its been
>>> overridden?

>> Use:
>>
>>   window.constructor.prototype.alert
>>
>> e.g.:
>>
>>   window.constructor.prototype.alert.call(window, "the message");
>>
>> or restore it as a different name for easy access later e.g.:
>>
>>   window.alert2 = window.constructor.prototype.alert;
>>   window.alert2("the message");
>
>
> I like this solution better than mine, but I'm paranoid about using "window.constructor". I see it in my mind as:
> [host object].constructor
>
> Is this "safe" to us like this?

For me on Windows 10 the alert only appears with Internet Explorer in 
https://jsfiddle.net/apawxx0m/, Edge, Chrome and Firefox show a script 
error in the console .

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Thread

restore window alert Andrew Poulos <ap_prog@hotmail.com> - 2016-09-08 10:39 +1000
  Re: restore window alert "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-09-07 18:00 -0700
  Re: restore window alert JJ <jj4public@vfemail.net> - 2016-09-08 18:47 +0700
    Re: restore window alert "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-09-08 06:43 -0700
      Re: restore window alert Martin Honnen <martin.honnen@gmx.de> - 2016-09-08 16:32 +0200
        Re: restore window alert Andrew Poulos <ap_prog@hotmail.com> - 2016-09-09 14:49 +1000
          Re: restore window alert "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2016-09-09 06:20 -0700
      Re: restore window alert Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-10 16:26 +0200
        Re: restore window alert Ram Tobolski <ramtob@gmail.com> - 2016-09-11 00:17 -0700
          Re: restore window alert Andrew Poulos <ap_prog@hotmail.com> - 2016-09-11 17:57 +1000
          Re: restore window alert Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-11 11:19 +0200
        Re: restore window alert Andrew Poulos <ap_prog@hotmail.com> - 2016-09-11 19:00 +1000
          Re: restore window alert Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-09-11 13:24 +0200

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