JS 2D Array

2DArray.js

function Create2DArray(rows, columns) {
  var arr = [];
  for (var i = 0; i < rows; i++) {
    var col = [];
    for (var j = 0; j < columns; j++){
      col[j] = 0;
    }
     arr[i] = col;
  }
  return arr;
}