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EnetoJara/flat.js

Created January 9, 2020 12:47
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flat.js
const flat = (base, val) => Array.isArray(val) ? base.concat(val.reduce(flat, [])) :base.concat(val);
const map = arr => arr.reduce(flat, []);
console.log(map([1,23,[3,[3,1,[3,4],5],6],5]))
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