client/js/utils/PlaylistUtils.js
/**
   * @param {string} playlistId The unique id of the playlist object
   * @param {integer} songInex The unique id of the song object
   */
@param {string} playlistId The unique id of the playlist object
@param {integer} songInex The unique id of the song object
@param { string } playlistId The unique id of the playlist object @param { integer } songInex The unique id of the song object
destroyPlaylistSong(playlistSongId) {
    API.del('playlistSongs', [playlistSongId])
      .then(() => {
      })
      .catch((error) => {
        console.log(error);
      });
  }
destroyPlaylistSong ( playlistSongId ) { API . del ( 'playlistSongs' , [ playlistSongId ] ) . then ( ( ) => { } ) . catch ( ( error ) => { console . log ( error ) ; } ) ; }
@param {string} playlistId The unique id of the playlist object
 @param {integer} songInex The unique id of the song object
@param { string } playlistId The unique id of the playlist object @param { integer } songInex The unique id of the song object