w3schools click to play audio file code example

Example 1: play audio javascript

var bMusic = new Audio('welcome1.mp3')
	bMusic.play()

Example 2: javascript play audio

//play audio with from html audio element: 
document.getElementById('myAudioTagID').play();

//play audio with out html audio tag
var myAudio = new Audio('my_great_song.mp3');
myAudio.play();