text: function chessboard(n) {
      let colorOne = '';
      let colorTwo = '';
      console.log('<div class="chessboard">');
      for (let i = 1; i <= n; i++) {
          if (i % 2 == 1) {
              colorOne = 'black';
              colorTwo = 'white';
          } else {
              colorOne = 'white';
              colorTwo = 'black';
          }
  
          console.log("<div>");
          for (let j = 1; j <= n; j++) {
              if (j % 2 == 1) {
                  console.log(`<span class="${colorOne}"></span>`)
              } else {
                  console.log(`<span class="${colorTwo}"></span>`)
              }
          }
          console.log("</div>");
      }
      console.log("</div>");
  }
  