JS Play MP3 With No HTML Audio Tag

<center>
<input type="textbox" value="http://compulsivecoding.com/DJ%20BrU%20-%20Compulsive%20Revolution%20(Original%20Mix)%20(Full).mp3"><br>
<button onclick="url.play(document.querySelector('input').value)">Load URL</button></p>
<script>
function AudioTagSample() {
this.audio = new Audio();
window.addEventListener('load', this.onload.bind(this), false);
}
AudioTagSample.prototype.onload = function() {
this.source = context.createMediaElementSource(this.audio);
this.filter = context.createBiquadFilter();
//this.filter.type = this.filter.HIGHPASS;
this.filter.frequency.value = 500;
this.source.connect(this.filter);
this.filter.connect(context.destination);
};
AudioTagSample.prototype.play = function(url) {
this.audio.src = url;
this.audio.play(0);
};
var input = document.querySelector('input');
var url = new AudioTagSample();
sample.play(input.value);
</script>
</center>