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/*Write a program that creates a string that represents an 8×8 grid, using newline characters to separate lines. At each position of the grid there is either a space or a “#” character. The characters should form a chess board.*/

var size = 8;
var board = "";

for (var y =0; y< size; y++) {
  for(var x =0; x< size; x++){
  if ((x+y) %2 ===0)
    board += " ";
  else
    board += "#";
  }
  board += "\n";
 }
console.log(board);