ForkInSpace
/ arrayFlatten
Created
November 17, 2018 20:09
Write some code, that will flatten an array of arbitrarily nested arrays of integers into a flat array of integers. e.g. [[1,2,[3]],4] -> [1,2,3,4].
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| flatten = (array, result) => { | |
| if(array.length === 0) return result; | |
| let head = array[0]; | |
| let rest = array.slice(1); | |
| if (Array.isArray(head)) { | |
| return flatten(head.concat(rest), result); | |
| }; | |
| result.push(head); | |
| return flatten(rest, result); |