a chrome dino hack but with auto jump like a human, Paste it in browser console

Chrome_dino_hack.js

function keyDown(keyCode) {
  const event = new KeyboardEvent('keydown', { keyCode });
  Object.defineProperty(event, 'keyCode', { get() { return keyCode; } });
  document.dispatchEvent(event);
}

function keyUp(keyCode) {
  const event = new KeyboardEvent('keyup', { keyCode });
  Object.defineProperty(event, 'keyCode', { get() { return keyCode; } });
  document.dispatchEvent(event);
}

setInterval(() => {
  const obstacles = Runner.instance_.horizon.obstacles;
  const firstObstacle = obstacles.length > 0 ? obstacles[0] : null;

  if (firstObstacle) {
    const speed = Runner.instance_.currentSpeed;
    const obstacleXPos = firstObstacle.xPos;
    const obstacleWidth = firstObstacle.width;
    const obstacleYPos = firstObstacle.yPos;

    if (obstacleXPos < 20 * speed - obstacleWidth / 2 && obstacleYPos > 75) {
      keyUp(40);
      keyDown(38);
    } else if (obstacleXPos < 20 * speed - obstacleWidth / 2 && obstacleYPos <= 75) {
      keyDown(40);
    }
  }
}, 5);