src/spotify-web-api.js
function(callback) {
    return WebApiRequest.builder(this.getAccessToken())
      .withPath('/v1/me/player/previous')
      .withHeaders({ 'Content-Type': 'application/json' })
      .build()
      .execute(HttpManager.post, callback);
  }
function(callback) {
    return WebApiRequest.builder(this.getAccessToken())
      .withPath('/v1/me/player/previous')
      .withHeaders({ 'Content-Type': 'application/json' })
      .build()
      .execute(HttpManager.post, callback);
  }
function ( callback ) { return WebApiRequest . builder ( this . getAccessToken ( ) ) . withPath ( '/v1/me/player/previous' ) . withHeaders ( { 'Content-Type' : 'application/json' } ) . build ( ) . execute ( HttpManager . post , callback ) ; }
Skip the Current User's Playback To Previous Track
@param {requestCallback} [callback] Optional callback method to be called instead of the promise.
@example playbackPrevious().then(...)
@returns {Promise|undefined} A promise that if successful, resolves into a paging object of tracks,
otherwise an error. Not returned if a callback is given.
Skip the Current User s Playback To Previous Track