- content_for(:title) { 'Sudoku' }

h1 Sudoku
#board

script type="text/javascript" src="/sudoku.js"
javascript:
  document.addEventListener("DOMContentLoaded", function() {
    var game = [
      [3,7,9,-5,-2,-6,-8,1,4],
      [-5,6,-4,-3,1,-8,-9,7,-2],
      [-2,8,-1,-4,-7,9,-3,-6,5],
      [4,3,5,-2,-6,7,-1,-9,-8],
      [-6,9,-8,-1,4,-3,-5,2,-7],
      [-7,-1,-2,8,-9,-5,4,3,6],
      [9,-2,-3,7,-5,-4,-6,8,-1],
      [-1,4,-6,-9,8,-2,-7,5,-3],
      [8,5,-7,-6,-3,-1,2,4,9]
    ];

    sudoku = new Sudoku(document.getElementById('board'));
    sudoku.generate(game);
  });