Open AnnVoV opened 5 years ago
const flatten = (array) => { return array.reduce((accumulator, currentValue) => { if (!Array.isArray(currentValue)) { accumulator.push(currentValue); return accumulator; } else { const res = flatten(currentValue); accumulator = accumulator.concat(res); return accumulator; } }, []); }; const flattenES6 = (array) => { const flattenArray = array => [].concat(...array); const res = array.map((item) => { return Array.isArray(item) ? flattenES6(item) : item; }); return flattenArray(res); }; const arr = [[1, 2, 2], [3, 4, 5, 5], [6, 7, 8, 9, [11, 12, [12, 13, [14]]]], 10]; const resultES6 = flattenES6(arr); const result = flatten(arr); console.log(resultES6); console.log(result);