play audio in phonegap

audio.js

document.getElementById("playBtn")
            .addEventListener("click", function(){
                var media = new Media(
                    "/android_asset/www/sample.mp3",
                    function(){
                        console.log("success");
                    },
                    function(err){
                        console.log("fail");
                    }
                );
                media.play();
            });