Function showAlert

script.js:15430–15443

(message, duration = 1000)

}

function showAlert(message, duration = 1000) {
  const alert = document.createElement("div")
  alert.textContent = message
  alert.classList.add("alert")
  alertContainer.prepend(alert)
  if (duration == null) return

  setTimeout(() => {
    alert.classList.add("hide")
    alert.addEventListener("transitionend", () => {
      alert.remove()
    })
  }, duration)
}

function shakeTiles(tiles) {
  tiles.forEach(tile => {