MarseyWorld/files/assets/events/shared/js/music.js

if (localStorage.getItem("music_playing") != 'true') {
	addEventListener("load", () => {
		const audio = document.getElementById('event-song');

		audio.addEventListener('play', () => {
			localStorage.setItem("music_playing", true);
		})

		window.addEventListener('beforeunload', () => {
			localStorage.setItem("music_playing", false);
		})

		audio.play();
		document.addEventListener('click', () => {
			if (audio.paused) audio.play();
		}, {once : true});
		prepare_to_pause(audio)
	})
}