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POSpotify API Create Temp Playlist Not Loading
 

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    <p>I'm making a little app that displays a list of the top first song of an artist's related artists. When I try and load my app for the first time, it shows nothing. But, when I "Reload Application" everything seems to work. When I constantly start "Reloading" it keeps adding more of the same tracks to the list as well. </p> <p>How do I stop it from continually appending more tracks to the list as well as tighten up the code so that it works on load?</p> <pre><code>require([ '$api/models', '$views/list#List', '$api/toplists#Toplist' ], function(models, List, Toplist){ 'use strict'; // Build playlist function buildList(trackURIArray){ var arr = trackURIArray; models.Playlist .createTemporary("myTempList") .done(function(playlist){ playlist.load("tracks").done(function(loadedPlaylist){ for(var i = 0; i &lt; arr.length; i++){ loadedPlaylist.tracks.add(models.Track.fromURI(arr[i])); } }); // Create list var list = List.forPlaylist(playlist,{ style:'rounded' }); $('#playlistContainer').append(list.node); list.init(); }); } // Get top track function getTopTrack(artist, num, callback){ var artistTopList = Toplist.forArtist(artist); artistTopList.tracks.snapshot(0, num).done(function (snapshot){ snapshot.loadAll('name').done(function(tracks){ var i, num_toptracks; num_toptracks = num; for(i = 0; i &lt; num_toptracks; i++){ callback(artist, tracks[i]); } }); }); } // Get Related function getRelated(artist_uri){ var artist_properties = ['name', 'popularity', 'related', 'uri']; models.Artist .fromURI(artist_uri) .load(artist_properties) .done(function (artist){ artist.related.snapshot().done(function(snapshot){ snapshot.loadAll('name').done(function(artists){ var temp = []; for(var i = 0; i &lt; artists.length; i++){ getTopTrack(artists[i], 1, function(artist, toptrack){ var p, n, u; p = artist.popularity; n = artist.name; u = artist.uri; temp.push(toptrack.uri); }); } // Build a list of these tracks buildList(temp); }); }); }); } getRelated('spotify:artist:2VAvhf61GgLYmC6C8anyX1'); }); </code></pre>
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