Question

我正在做一个非常简单的Backbone应用程序示例，我不断收到JS错误消息。我基本上有两个文件：

app.js

此文件创建一个Backbone.js应用程序，使用集合视图中的数据将模板中的跨度附加到html文件上已创建的div。

    /*Backbone.js Appointments App*/

    App = (function($){
      //Create Appointment Model
      var Appointment = Backbone.Model.extend({});

      //Create Appointments Collection
      var Appointments = Backbone.Collection.extend({
        model: Appointment
      });

      //Instantiate Appointments Collection
      var appointmentList = new Appointments();
      appointmentList.reset(
        [{startDate: '2013-01-11', title: 'First Appointment', description: 'None', id: 1},
         {startDate: '2013-02-21', title: 'Second Appointment', description: 'None', id: 2},
         {startDate: '2013-02-26', title: 'Third Appointment', description: 'None', id: 3}
        ]
      );

      //Create Appointment View
      var AppointmentView = Backbone.View.extend({
        template: _.template(
          '<span class="appointment" title="<%= description %>">' +
          ' <span class="title"><%= title %></span>' +
          ' <span class="delete">X</span>' +
          '</span>'
        ),

        initialize: function(options) {
          this.container = $('#container');
        },

        render: function() {
          $(this.el).html(this.template(this.model));
          this.container.append(this.el);
          return this;
        }
      });

      var self = {};
      self.start = function(){
        new AppointmentView({collection: appointmentList}).render();
      };
      return self;
    });

    $(function(){
      new App(jQuery).start();
    });

的index.html

此文件只调用jquery，backbone和其他js库，并且还创建了div容器，其中来自上一个文件的Backbone.js应用程序将附加数据。

    <!DOCTYPE html>
    <html>
    <head>
      <meta charset="utf-8">
      <title>hello-backbonejs</title>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script>
      <script src="http://ajax.cdnjs.com/ajax/libs/json2/20110223/json2.js"></script>
      <script src="http://ajax.cdnjs.com/ajax/libs/underscore.js/1.1.6/underscore-min.js"></script>
      <script src="http://ajax.cdnjs.com/ajax/libs/backbone.js/0.3.3/backbone-min.js"></script>
      <script src="app.js" type="text/javascript"></script>
    </head>
    <body>
    <div id="container"></div>
    </body>
    </html>

我得到的错误如下：

Uncaught TypeError: Object [object Object] has no method 'reset' app.js:14
App app.js:14
(anonymous function) app.js:49
e.resolveWith jquery.min.js:16
e.extend.ready jquery.min.js:16
c.addEventListener.z jquery.min.js:16

Answer 1

您使用Backbone 0.3.3但在Backbone 0.5中引入了Collection.reset。有关详细信息，请参阅changelog。

要么升级Backbone（目前为0.9.9）（还有Underscore和jQuery）或使用Collection#refresh如果你必须保持Backbone 0.3.3（但你可能会去其他地方）在路上的错误。）

尝试重置集合时出现主干错误

1 个答案: