play audio in javascript

JavaScript
var audio = new Audio("folder_name/audio_file.mp3");
audio.play();var audio = new Audio('audio_file.mp3');
audio.play();var bMusic = new Audio('welcome1.mp3')
	bMusic.play()var audio = new Audio('audio.mp3');
  audio.play();//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();
Source

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