Re: @@isConcatSpreadable

[Brendan Eich]

Herby Vojčík wrote:

So when one actually _wants_ to concat (as, add elements of the iterable), it should stop using concat for that and must do something like

 var concatenated = first.slice();
 concatenated.push(...second, ...third, ...fourth);

Or use concat but wrap the parameter with [].

/be
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