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From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups: comp.lang.javascript
Subject: Re: Which type of network access for this situation?
Supersedes: <1977316.oW6HYlhP0t@PointedEars.de>
Date: Tue, 18 Apr 2017 05:40:05 +0200
Organization: PointedEars Software (PES)
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Xref: csiph.com comp.lang.javascript:33040

Stefan Weiss wrote:

> Thomas 'PointedEars' Lahn wrote:
>> Stefan Weiss wrote:
>>> Use the XMLHttpRequest object. […]
>> 
>> Not necessarily.  If a resource is to be downloaded to be saved as a file
>> in the filesystem in a user-specified location after a “timer goes off”,
>> then a simple
>> 
>>   var timer = window.setTimeout(function () {
>>     window.clearTimeout(timer);
>> 
>>     window.location = "…";
>>   }, 42);
>> 
>> suffices [...]
> 
> You don't even need JavaScript for that. This is basically the same as
> <meta http-equiv="refresh" content="...">,

No, it is not.  My example should not be misconstrued as standalone.  
Different to that markup feature, you can call window.setTimeout()
*at any time* in the program.  Most importantly, you can call it
*following a specific user action*.

> with all the navigation problems that come with it.

I am aware of that markup feature, and the problems with it (including 
navigation problems) are why I did not mention it.
 
> The OP also wrote "download some stuff [...] _and_display_it_", which I
> understood to mean "fetch with JS and insert into the current document".
> If this interpretation is correct, neither `window.location = ..` nor a
> meta refresh will do what he needs.

If.  You are jumping to conclusions there, too.

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