parsing nested JSON String objects with JQuery/PHP?

Question

This is the page I'm working on.... http://fremontchurch.net/json_test/

This is the json http://fremontchurch.net/json_test/posts.php

I'm trying to to have a list of tracks names listed and linked through simple html link <a href="URL_GOES_HERE">TRACK NAME GOES HERE</a> to its url

i got everything else in order its just the nested part keeps coming up "[object Object],[object Object],[object Object]"... and so on... each nest has two items a track name and url... what would be the correct way to do this?

heres one object from my json...

{
"id":"All Things Are Possible",
"key":"All Things Are Possible",
"doc":"All Things Are Possible",
"album":"All Things Are Possible",
"artwork":"http://godsgypsychristianchurch.net/music_artwork/DEFAULT_COVER2.png",
"baseurl":"http://www.godsgypsychristianchurch.net/music",
"church":"Atlanta GA",
"des":"All Things Are Possible from the Atlanta GA Church, Pastor Nick White",
"tracks":[
    {"name":"1 Intro",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/01%20Intro.mp3"},

            {"name":"2 Wo si O Drom",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/02%20Wo%20si%20O%20drom.mp3"},

            {"name":"3 Nas Murrgo Shov",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/03%20Nas%20murrgo%20shov.mp3"},

            {"name":"4 To Cho Vos",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/04%20To%20cho%20vos.mp3"},

            {"name":"5 Tu Son Kai Sastridas",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/05%20Tu%20son%20kai%20sastridas.mp3"},

            {"name":"6 Now I Am Strong",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/06%20Now%20I%20am%20strong.mp3"},

            {"name":"7 Sorr Nevee",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/07%20Zorr%20nevee.mp3"},

            {"name":"8 Preaching",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/08%20Preaching.mp3"},

            {"name":"9 Arkadyan Amey",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/09%20Arkadyan%20amey.mp3"},

            {"name":"10 O Christo Ka Wudarr",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/10%20O%20Christo%20ka%20wudarr.mp3"},

            {"name":"11 Eloi, Eloi",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/11%20Eloi%2C%20Eloi.mp3"},

            {"name":"12 Amadow Dell",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/12%20Amadow%20Dell.mp3"},

            {"name":"13 Sastiar Amey Devla",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/13%20Sastiar%20amey%20Devla.mp3"},

            {"name":"14 Tu Skepeese",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/14%20Tu%20skepeese.mp3"},

            {"name":"15 Dov Ma Godgee",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/15%20Dov%20ma%20godgee.mp3"},

            {"name":"16 The Lord is my strength",
        "url":"/Atlanta%20GA/All%20things%20are%20possible/16%20The%20Lors%20is%20my%20strength.mp3"}
  ]

            }

heres all my code to the html/jquery/php

<html>
<body>
    <div id="content">
    </div>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script>
     <script type="text/javascript">
        $(document).ready(function(){
            var url="posts.php";
            $.getJSON(url,function(json){
                $.each(json.posts,function(i,post){
                    $("#content").append(
                        '<div class="post">'+
                        '<h1>'+post.album+'</h1>'+
                        '<p><img src="'+post.artwork+'"width="250"></img></p>'+
                        '<p><strong>'+post.church+'</strong></p>'+
                        '<p>Description: <strong>'+post.des+'</strong></p>'+
                        '<p>Base url:  <em>'+post.baseurl+'</em></p>'+
                        '<p>Tracks:  <li>'+post.tracks+'</li></p>'+
                        '<hr>'+
                        '</div>'
                    );
                });
            });
      });
    </script>
</body>
</html>

please reply will full code because I'm kinda new to this kind of coding and sometimes i done know where to put it... any help will be very much appreciated, thank you...

You don't need to parse JSON you can just use it, it's already an object! — markus
– markus, Commented Sep 29, 2011 at 6:20

Useless Code · Accepted Answer · 2011-09-29 06:39:36Z

You need to loop over each item in post.tracks and collect that information into a string before including it, something like this:

    $.each(json.posts,function(i,post){
        var content,
            trackInfo = '',
            tracks = post.tracks;

        // loop over the tracks and collect info
        $.each(tracks, function (i) {
            trackInfo += '<a href="' + tracks[i].url + '">' + tracks[i].name + '</a> ';
        });

        content = '<div class="post">'+
        '<h1>'+post.album+'</h1>'+
        '<p><img src="'+post.artwork+'"width="250"></img></p>'+
        '<p><strong>'+post.church+'</strong></p>'+
        '<p>Description: <strong>'+post.des+'</strong></p>'+
        '<p>Base url:  <em>'+post.baseurl+'</em></p>'+
        '<p>Tracks:  <li>'+ trackInfo +'</li></p>';
        '<hr>'+
        '</div>'

        $("#content").append(content);
    });

Working example here: http://jsfiddle.net/3SFE4/

Cory Kendall · Accepted Answer · 2011-09-29 06:29:27Z

In the same way you're using each to iterate over the posts, you can use each to iterate over the tracks. I've included full code below.

<html>
<body>
    <div id="content">

    </div>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script>

     <script type="text/javascript">
        $(document).ready(function(){
          var url="posts.php";

          $.getJSON(url,function(json){
            $.each(json.posts,function(i,post){

              // Here we generate a fragment for the tracks.
              var tracks = ''; 
              $.each(post.tracks, function(j, track) {
                tracks += '<a href="' + track.url + '">' + track.name + '</a>';
              })

              $("#content").append(
                '<div class="post">'+
                '<h1>'+post.album+'</h1>'+
                '<p><img src="'+post.artwork+'"width="250"></img></p>'+
                '<p><strong>'+post.church+'</strong></p>'+
                '<p>Description: <strong>'+post.des+'</strong></p>'+
                '<p>Base url:  <em>'+post.baseurl+'</em></p>'+
                'tracks' + 




                '<hr>'+
                '</div>'
              );
            });
          });
        });
      </script>

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