eBay Interview Question
flatten an array
Interview Answer
Anonymous
Apr 27, 2021
const flatten = arr => arr.reduce((flat, next) => flat.concat(Array.isArray(next) ? flatten(next) : next), []);
flatten an array
Anonymous
const flatten = arr => arr.reduce((flat, next) => flat.concat(Array.isArray(next) ? flatten(next) : next), []);
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