anchor.diff:  
   
   void newGame() {
  -  print("newGame triggered");
  -
  -
     CanvasElement element = querySelector(".game-element");
     gameLoop = new GameLoopHtml(element);
     canvas = element.context2D;
  
positive.code:     canvas.fillRect(0, 0, 20, 20);
      renderSquare(gold.getLocation(), gold_color);
      snake.render(canvas);
      snake.showPoints();
    }
  
  
negative.code:     pts.text = "Points: ${points}";
    }
  
  
    List<Coord> getCoords() {
      return coords;
    }
  
    // Detect if we're outside the canvas.
    bool isOnCanvas(Coord coord) {
  