Groups > comp.lang.javascript > #34044 > unrolled thread

window.stop() in Chrome 61

Started by	Egor Ovechkin <egorka1391@gmail.com>
First post	2017-09-27 22:30 -0700
Last post	2017-09-28 09:58 -0300
Articles	4 — 4 participants

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  window.stop() in Chrome 61 Egor Ovechkin <egorka1391@gmail.com> - 2017-09-27 22:30 -0700
    Re: window.stop() in Chrome 61 "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2017-09-28 05:41 -0700
      Re: window.stop() in Chrome 61 Julio Di Egidio <julio@diegidio.name> - 2017-09-28 05:53 -0700
    Re: window.stop() in Chrome 61 Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2017-09-28 09:58 -0300

#34044 — window.stop() in Chrome 61

From	Egor Ovechkin <egorka1391@gmail.com>
Date	2017-09-27 22:30 -0700
Subject	window.stop() in Chrome 61
Message-ID	<fad77e3c-e481-404e-811e-117436369ec6@googlegroups.com>

Hello.
I have code that stopped page unloading. It works in version 60, but does not work in 61. Do you know anything about this? Can I stopped unload in new version?

Simplistic, it looked so:

$(window).on('beforeunload', function() {
  window.stop();
})

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#34046

From	"Michael Haufe (TNO)" <tno@thenewobjective.com>
Date	2017-09-28 05:41 -0700
Message-ID	<9d56b910-cd9e-4345-a673-659b8f2ea53b@googlegroups.com>
In reply to	#34044

Egor Ovechkin wrote:
> Hello.
> I have code that stopped page unloading. It works in version 60, but does not work in 61. Do you know anything about this? Can I stopped unload in new version?
> 
> Simplistic, it looked so:
> 
> $(window).on('beforeunload', function() {
>   window.stop();
> })

Sounds like a regression, did you submit a ticket?

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#34048

From	Julio Di Egidio <julio@diegidio.name>
Date	2017-09-28 05:53 -0700
Message-ID	<8e6f76ce-ef69-4c43-9196-7739f3a0a17c@googlegroups.com>
In reply to	#34046

On Thursday, September 28, 2017 at 2:42:11 PM UTC+2, Michael Haufe (TNO) wrote:
> Egor Ovechkin wrote:
> > Hello.
> > I have code that stopped page unloading. It works in version 60, but does not work in 61. Do you know anything about this? Can I stopped unload in new version?
> > 
> > Simplistic, it looked so:
> > 
> > $(window).on('beforeunload', function() {
> >   window.stop();
> > })
> 
> Sounds like a regression, did you submit a ticket?

Assuming the report is faithful, which I'd doubt (*), sounds more like a
patch.  Allowing a script to stop page unload (in any way) is a security
hazard and has been disallowed in all decent browsers since more than a
decade.

(*) <https://www.w3.org/TR/html5/browsers.html#dom-window-stop>

Julio

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#34049

From	Joao Rodrigues <groups_jr-1@yahoo.com.br>
Date	2017-09-28 09:58 -0300
Message-ID	<oqirmh$fpn$1@gioia.aioe.org>
In reply to	#34044

Em 28/09/2017 02:30, Egor Ovechkin escreveu:
> Hello.
> I have code that stopped page unloading. It works in version 60, but does not work in 61. Do you know anything about this? Can I stopped unload in new version?
> 
> Simplistic, it looked so:
> 
> $(window).on('beforeunload', function() {
>    window.stop();
> })
> 

The window.stop() method stops window loading, not unloading [1][2]. 
Besides, it is not supported in IE. So I'd rather discard it.

I think you want to stop unloading, something like:

window.addEventListener("beforeunload", function (e) {
   // ...
   e.preventDefault();
});

If you want to present a message to the user before unloading, then 
you'll need a workaround for 'almost' cross-browser compatibility [3].

[1] <https://developer.mozilla.org/en-US/docs/Web/API/Window/stop>
[2] <https://html.spec.whatwg.org/#dom-window-stop>
[3] <https://developer.mozilla.org/pt-BR/docs/Web/Events/beforeunload>

-- 
Joao Rodrigues

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window.stop() in Chrome 61

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