Routelike first tries

area.js

let area = [];

for (let i = 0; i < 6; i++) {
  area[i] = new Array(6);
}

for (let j = 0; j < 6; j++) {
  for (let l = 0; l < 6; l++) {
    area[j][l] = "@";
  }
}

console.log(area);