Polymer 1.2 FIREBASE WARNING:用户回调抛出了异常

尝试修改你的代码,如下所示:

app.onFirebaseLogin = function(event) {
  this.ref = new Firebase(this.firebaseURL + '/user/' + 
                                                  event.detail.user.uid);
  var self = this;
  this.ref.on('value', function(snapshot) {
    self.updateArticole(snapshot);
  });
};