.reduce flatten array
const nested = [[1, 2, 3], [4, 5, 6], [7, 8, 9]];
let flat = nested.reduce((acc, it) => [...acc, ...it], []);
console.log(flat) // flat is [1, 2, 3, 4, 5, 6, 7, 8, 9].reduce flatten array
const nested = [[1, 2, 3], [4, 5, 6], [7, 8, 9]];
let flat = nested.reduce((acc, it) => [...acc, ...it], []);
console.log(flat) // flat is [1, 2, 3, 4, 5, 6, 7, 8, 9]Copyright © 2021 Codeinu
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