Backbone targetModel = undefined

虽然所有脚本都已加载,但是我遇到了使用骨干的问题,其中模型似乎未定义为骨干.(我使用require来加载主干和其他javascript文件).

所以每当我做一个collection.fetch,我在firebug中得到这个错误:

TypeError: targetModel is undefined

当我运行脚本时,它在此时保持:

if (attrs instanceof Model) {
    id = model = attrs;
} else {
    id = attrs[targetModel.prototype.idAttribute];
} 

当我用鼠标悬停在targetModel上时,它说:undefined它现在似乎不起作用,我唯一做的就是改变我的html模板,它只在collection.fetch之后加载.

你能帮帮我吗？

这是我的模型:

var OF = OF || {};

OF.UsersMdl = Backbone.Model.extend({

    default: {

        username: '',
        mailinglist: '',
        email: ''

    },

    initialize: function() {

        //

    },

    result: {
        success: false,
        message: ''
    },

    validate: function(att) {

    }

});

这是集合:

var OF = OF || {};

OF.UsersCollection = Backbone.Collection.extend({

    initialize: function() {
        //
    },

   parse: function(data){
        return data["all-users"];
    },

    model: OF.UsersMdl,

    url: 'php/api/users'

});

最后但并非最不重要的是带有require部分的路由器:

goToUsers: function() {

    require(['./models/users', './views/users_view', './collections/user_collection'], function(UsersMdl, UsersView, UsersCollection) {

        OF.usersMdl = new OF.UsersMdl;
        OF.usersCollection = new OF.UsersCollection;
        OF.usersView = new OF.UsersView;

        //when the collection is fetched
        $.when(OF.usersCollection.fetch({
            data: {
                "admin": OF.login.attributes.admin,
                "session": OF.login.attributes.session
            },
            success: function(){
                //console.log(OF.usersCollection.length);
            }

        //then render the view
        })).then(function(){

            OF.usersView.render();
        }, 300);

    });

},

以下是将通过fetch进行检索的JSON:

{"all-users":[{"username":"tester","mailinglist":"1","email":"tester@tester.test"},{"username":"tester2","mailinglist" :"1","email":"tester2 @tes.test"},{"username":"tester3","mailinglist":"0","email":"tester3@tester.test"}]}

提前致谢