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From: Rolf Niepraschk <Rolf.Niepraschk@gmx.de>
Newsgroups: comp.lang.javascript
Subject: Re: Iterating through an array (special syntax)
Date: Wed, 18 Oct 2017 14:25:04 +0200
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Xref: csiph.com comp.lang.javascript:34125

Am 18.10.2017 um 13:55 schrieb Thomas 'PointedEars' Lahn:
> Rolf Niepraschk wrote:
> 
>> […] 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}`)
>> })
>> //--------------------------------------------------------
> 
>    function foo (callback)
>    {
>      var t = window.setTimeout(function () {
>        window.clearTimeout(t);
>        var arr = [1, 2, 3, 4];
>        callback(arr);
>      }, 500);
>    }
> 
>    foo((a) => {
>      // a.forEach(…);
>    });
> 

This is _not_ what I want. I want a syntax similar to JQuery e.g.

$.get(...)
.done(...)
.fail(...)

> But AISB, your approach at problem solving is *unwise* at best.

Please accept my wishes or do not write here.

> 
> For example, window.setTimeout() is a host object’s method provided by Web
> browsers; it is unavailable in nodeJS, while there are other, *better* ways

"setTimeout()" _is_ available in nodeJS and in my example it is only a 
place holder of any asynchronous way for creating an array.

...Rolf