how to add audio in javascript code example

Example 1: play a sound wiith js

var audio = new Audio('audio.mp3');
  audio.play();

Example 2: play audio javascript

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

Example 3: play sound in javascript

<script>
function play() {
  var audio = new Audio('https://interactive-examples.mdn.mozilla.net/media/examples/t-rex-roar.mp3');
  audio.play();
}
</script>
<button onclick-"play();">PLAY MY AUDIO</button>

Example 4: how play audio js

let myAudioElement = new Audio('audio.mp3');
myAudioElement.addEventListener("canplaythrough", event => {
  /* the audio is now playable; play it if permissions allow */
  myAudioElement.play();
});