javascript - Can you put a function inside a variable? -


my question arises because have following code last part not work, part of playlist of jplayer not declared

(function($) {     drupal.behaviors.myfunctiontheme = {         attach: function(context, settings) {             $('.add-music').click(function() {                 var songnew = json.stringify({                     title: $(this).attr('data-title'),                     artist: $(this).attr('data-artist'),                     mp3: $(this).attr('href')                 });                 var songie = {                     json: songnew                 };                 $.ajax({                     type: 'post',                     data: songie,                     datatype: 'json',                     async: true,                     cache: false                 }).done(                 //this callback function, run when post request returns                  function(postdata) {                     //make sure test validity of postdata here before issuing request                     var session;                     $.ajaxsetup({                         cache: false                     })                     $.get('/getsession.php', function(getdata) {                         session = json.parse(getdata);                         var myplaylist = new jplayerplaylist({                             jplayer: "#jquery_jplayer_n",                             cssselectorancestor: "#jp_container_n"                         }, [session], {                             playlistoptions: {                                 enableremovecontrols: true                             },                             swfpath: "../js",                             supplied: "oga, mp3"                         });                     });                 });             });         }     } })(jquery);

the problem get on playlist "undefine"

session variable contains following

{"title":"radio novela wagia. capitulo 1","artist":"","mp3":"http://red.comppa.com/sites/default/files/audios/radionovela%20wagia%20final.mp3"},{"title":"radio novela wagia. capitulo 1","artist":"","mp3":"http://red.comppa.com/sites/default/files/audios/radionovela%20wagia%20final.mp3"},{"title":"lenguas indígenas en los medios de comunicación","artist":"","mp3":"http://red.comppa.com/sites/default/files/audios/cun%cc%83alenguasindigenasenmediosdecomunicacion.mp3"}

but if following test , works perfectly

(function ($) {       drupal.behaviors.myfunctiontheme = {         attach: function(context, settings) { var session = [{"title":"radio novela wagia. capitulo 1","artist":"","mp3":"http://red.comppa.com/sites/default/files/audios/radionovela%20wagia%20final.mp3"},{"title":"radio novela wagia. capitulo 1","artist":"","mp3":"http://red.comppa.com/sites/default/files/audios/radionovela%20wagia%20final.mp3"},{"title":"lenguas indígenas en los medios de comunicación","artist":"","mp3":"http://red.comppa.com/sites/default/files/audios/cun%cc%83alenguasindigenasenmediosdecomunicacion.mp3"}];         var myplaylist = new jplayerplaylist({ jplayer: "#jquery_jplayer_n", cssselectorancestor: "#jp_container_n" }, session, { playlistoptions: { enableremovecontrols: true }, swfpath: "../js", supplied: "oga, mp3" }); }}  })( jquery );

any explanation or thank much


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