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From: Rolf Niepraschk <Rolf.Niepraschk@gmx.de>
Newsgroups: comp.lang.javascript
Subject: Re: Iterating through an array (special syntax)
Date: Thu, 19 Oct 2017 07:50:37 +0200
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Am 19.10.2017 um 01:25 schrieb Michael Haufe (TNO):
> Rolf Niepraschk wrote:
>> schrieb Michael Haufe (TNO):
>> ...
> 
>> This solution is very helpful and I can use modern browsers and a recent
>> nodejs version. Many Thanks.
>>
>> But one Problem remains. How must be the function modified if the array
>> is generated in an asynchronous way? For example:
>>
>> //--------------------------------------------------------
>> function foo() {
>>     setTimeout(function() {
>>       var arr = [1,2,3,4];
>>       // ???
>>     }, 500);
>> }
>>
>> foo().each((oldItem,newItem) => {
>>      console.log(`oldItem: ${oldItem} newItem: ${newItem}`)
>> })
>> //--------------------------------------------------------
>>
> 
> I think we need more info for a proper solution. Is it always going to be async? or is it going to be both? or something else?
> 

Always async. Sorry for the missing information.

...Rolf