Transposing a 2D-array in JavaScript

Question

I\'ve got an array of arrays, something like:

[
    [1,2,3],
    [1,2,3],
    [1,2,3],
]

I would like to transpose it to get the following

Answer 1

const transpose = array => array[0].map((r, i) => array.map(c => c[i]));
console.log(transpose([[2, 3, 4], [5, 6, 7]]));