Javascript で複数の配列を繋げるメモ

配列を連結する

const a = [1, 2, 3]
const b = [4, 5, 6]
const c = [7, 8, 9]
const result = []
[a, b, c].forEach(arr => result.push(...arr))
console.info(result)
//-> [1, 2, 3, 4, 5, 6, 7, 8, 9]