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DmitrySoshnikov/sum-elements-nested.js

Created October 7, 2013 01:35
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sum-elements-nested.js
/**
* Sum of all elements including nested arrays.
*
* by Dmitry Soshnikov <[email protected]>
* MIT Style License
*/
[1, 2, [3, 4], 5, [6, [7, 8]]].reduce(function collect(previous, current) {
return (
(Array.isArray(previous) ? previous.reduce(collect) : previous) +
(Array.isArray(current) ? current.reduce(collect) : current)
);
}); // 36
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@stasm, yep, also a good observation. The initial solution BTW doesn't suffer from this too.

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