park.js

const whereCanIPark = function(spots, vehicle) {
  for (var row = 0; row < spots.length; row++) {
    for (var column = 0; column < spots[row].length; column++) {
      console.log(spots[row][column] );
      if (vehicle === "regular" && spots[row][column] === "R") {
        return [column, row]; 
      } else if ((spots[row][column] === "S" || spots[row][column] === "R") && (vehicle === "small")) {
      return [column, row];
      } else if ((spots[row][column] === "M" || spots[row][column] === "S" || spots[row][column] === "R") && (vehicle === "motorcycle")){
      return [column, row];
      } 
      // else {
      //   console.log("never");
      // return false;
      // }
    }
  }
}

console.log(whereCanIPark(
  [
    // COLUMNS ARE X
    // 0    1    2    3    4    5
    ['s', 's', 's', 'S', 'R', 'M'], // 0 ROWS ARE Y
    ['s', 'M', 's', 'S', 'r', 'M'], // 1
    ['s', 'M', 's', 'S', 'r', 'm'], // 2
    ['S', 'r', 's', 'm', 'r', 'M'], // 3
    ['S', 'r', 's', 'm', 'r', 'M'], // 4
    ['S', 'r', 'S', 'M', 'M', 'S']  // 5
  ],
  'regular'
));

console.log(whereCanIPark(
  [
    ['M', 'M', 'M', 'M'],
    ['M', 's', 'M', 'M'],
    ['M', 'M', 'M', 'M'],
    ['M', 'M', 'r', 'M']
  ],
  'small'
));

console.log(whereCanIPark(
  [
    ['s', 's', 's', 's', 's', 's'],
    ['s', 'm', 's', 'S', 'r', 's'],
    ['s', 'm', 's', 'S', 'r', 's'],
    ['S', 'r', 's', 'm', 'r', 's'],
    ['S', 'r', 's', 'm', 'R', 's'],
    ['S', 'r', 'S', 'M', 'm', 'S']
  ],
  'motorcycle'
))