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greathmaster/get-column-of-2D-array.js

Created August 7, 2019 18:14
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Get the column of a 2D array/matrix in JS
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get-column-of-2D-array.js
//Get the column of a 2D array in JS
//Taken from https://stackoverflow.com/questions/7848004/get-column-from-a-two-dimensional-array
const arrayColumn = (arr, n) => arr.map(x => x[n]);
const twoDimensionalArray = [
[1, 2, 3],
[4, 5, 6],
[7, 8, 9],
];
console.log(arrayColumn(twoDimensionalArray, 0));
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