Javascript estructura de datos array 2D

javascript_array_2D.js

const array2D = [
  [1, 2, 3],
  [4, 5, 6],
  [7, 8, 9],
];

for (let cols = 0; cols < array2D.length; cols++) {
  for (let rows = 0; rows < array2D[cols].length; rows++) {
    const element = array2D[cols][rows];
    console.log(element);
  }
}

console.table(array2D);