<button>Click here</button>

const buttonEl = document.querySelector("button");

const title = "Success";
const msg = "Message";
const icon = "https://via.placeholder.com/50x50";
const song = "notification.mp3";

buttonEl.addEventListener("click", notifyMe);

function notifyMe() {
  if (!("Notification" in window)) {
    alert("This browser does not support Desktop notifications");
  }
  if (Notification.permission === "granted") {
    callNotify(title, msg, icon);
    return;
  }
  if (Notification.permission !== "denied") {
    Notification.requestPermission((permission) => {
      if (permission === "granted") {
        callNotify(title, msg, icon);
      }
    });
    return;
  }
}

function callNotify(title, msg, icone) {
  new Notification(title, { body: msg, icon: icone });
  new Audio(song).play();
}