2018-03-11から1日間の記事一覧
多次元配列を1次元化 let ary = [0,[1,2],3,[4,5,[6,7],8],9,[],10]; function S (a, b) { return Array.isArray (b) ? b.reduce (S, a): (a.push (b), a); } console.log (ary.reduce (S,[]));// => [0,1,2,3,4,5,6,7,8,9,10] 配列を単一化する let ary = […
多次元配列を1次元化 let ary = [0,[1,2],3,[4,5,[6,7],8],9,[],10]; function S (a, b) { return Array.isArray (b) ? b.reduce (S, a): (a.push (b), a); } console.log (ary.reduce (S,[]));// => [0,1,2,3,4,5,6,7,8,9,10] 配列を単一化する let ary = […