Draw X's in Tic Tac Toe Board

draw-ttt-x.js

drawX(x, y){
  this.ctx.lineWidth = this.xLineWidth;
  this.ctx.strokeStyle = this.xStyle;
  this.ctx.beginPath();

  let offset = this.cellSize * 0.25;
  this.ctx.moveTo(x + offset, y + offset);
  this.ctx.lineTo(x + this.cellSize - offset, y + this.cellSize - offset);

  this.ctx.moveTo(x + offset, y + this.cellSize - offset);
  this.ctx.lineTo(x + this.cellSize - offset, y + offset);

  this.ctx.stroke();
}