android - Webview play music trough javascript -

my javascript code works chrome , other browers. in android webview music don't work? first used .wav musicformat. changed .mp3 musicformat. don't worked audio-files located under assets

my js script

var patharena = "assets/assets cr/"; var nameoftheunit;  /*********************************************hide_stuff********************************************/  var hidestuff = function () {   $('.arena0, .arena1, .arena2, .arena3, .arena4, .arena5, .arena6, .arena7, .arena8,.arena9, .arena10, .arena11').hide(); };  /*********************************************choose_arena********************************************/  var arenachoose = function () {     var arenachoice = $(this).data('val');     switch (arenachoice){         case "arena0":             if($(this).data('worth')){                 $('.arena0').show();                 $('.choosearena').hide();                 patharena += "arena%200%20(training%20camp)/";             }             break;         case "arena1":             if($(this).data('worth')){                 $('.arena1').show();                 $('.choosearena').hide();                 patharena += "arena_1_goblin_stadium/";             }             break;         case "arena2":             if($(this).data('worth')){                 $('.arena2').show();                 $('.choosearena').hide();                 patharena += "arena_2_bone_pit/";             }             break;         case "arena3":             if($(this).data('worth')){                 $('.arena3').show();                 $('.choosearena').hide();                 patharena += "arena_3/";             }             break;         case "arena4":             if($(this).data('worth')){                 $('.arena4').show();                 $('.choosearena').hide();                 patharena += "arena_4/";             }             break;         case "arena5":             if($(this).data('worth')){                 $('.arena5').show();                 $('.choosearena').hide();                 patharena += "arena_5/";             }             break;         case "arena6":             if($(this).data('worth')){                 $('.arena6').show();                 $('.choosearena').hide();                 patharena += "arena_6/";             }             break;         case "arena7":             if($(this).data('worth')){                 $('.arena7').show();                 $('.choosearena').hide();                 patharena += "arena_7/";             }             break;         case "arena8":             if($(this).data('worth')){                 $('.arena8').show();                 $('.choosearena').hide();                 patharena += "arena_8/";             }             break;         case "arena9":             if($(this).data('worth')){                 $('.arena9').show();                 $('.choosearena').hide();                 patharena += "arena_9/";             }             break;         case "arena10":             if($(this).data('worth')){                 $('.arena10').show();                 $('.choosearena').hide();                 patharena += "arena_10/";             }             break;         case "arena11":             if($(this).data('worth')){                 $('.arena11').show();                 $('.choosearena').hide();                 patharena += "arena_11/";             }             break;     } };  /*********************************************get_unit_name********************************************/  var getunitname = function () {     nameoftheunit = $(this).data("val"); };  /*********************************************play_camp_music********************************************/  var playcampmusic = function () {     var nameofthesong = $(this).data("val");     var snd = new audio(patharena + "/" + nameofthesong + '.mp3');     snd.play(); };  /*********************************************play_music********************************************/  var playmusic = function () {     var nameofthesong = $(this).data("val");     var snd = new audio(patharena + nameoftheunit + "/" + nameofthesong + '.mp3');     snd.play(); };  /*********************************************get_back********************************************/  var getback = function () {     $('.choosearena').show();     hidestuff();     patharena = "assets/assets cr/"; };  /*********************************************init********************************************/ var init = function () {     hidestuff();     $('.choosearena a').on('click', arenachoose);     $('.arena a').on('click', getunitname);     $('.arenasoundsmodals a').on('click', playcampmusic);     $('.modalsarena a').on('click', playmusic);     $('.btn-back').on('click', getback); }; $(document).ready(init()); 

i have error when pressed button:

    04-15 14:22:12.435  e/egl_emulation: eglquerycontext 32c0  egl_bad_attribute 04-15 14:22:12.435  e/egl_emulation: tid 6551: eglquerycontext(1484): error 0x3004 (egl_bad_attribute) 04-15 14:22:12.447  e/cr_mediaresource: file not exist. 04-15 14:22:12.447  e/cr_mediaresource: unable configure metadata extractor 

thanks helping me out!!