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I'm trying to play a sound and i have found two ways that works for me. Which is the better way and why? is a good idea add a "load" event listener? First way: $(document).ready(function() { var audioElement = document.createElement('audio'); audioElement.setAttribute('src', 'sound.ogg'); audioElement.addEventListener("load", function(){ audioElement.play(); }, true); audioElement.play(); }); Second way: $(document).ready(function() { audioElement = new Audio('sound.ogg'); audioElement.play(); }); Source: Tips4all