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Javascript 如何在获取后访问更改的属性?backbone.js_Javascript_Json_Backbone.js - Fatal编程技术网

Javascript 如何在获取后访问更改的属性?backbone.js

Javascript 如何在获取后访问更改的属性?backbone.js,javascript,json,backbone.js,Javascript,Json,Backbone.js,我正在使用以下代码从服务器获取模型: var id = args.model.get('id'); var options = { action: 'getSubscriber', address: args.model.get('address'), silent: true }; new Subscriber({ id: id }, options).fetch({ success: function(model, response) {

我正在使用以下代码从服务器获取模型:

var id = args.model.get('id');
var options = { 
    action: 'getSubscriber', 
    address: args.model.get('address'),
    silent: true
};

new Subscriber({ id: id }, options).fetch({
    success: function(model, response) {
        console.log(response);
        console.log(model);
    }
});
响应对象包含我需要的所有数据,而模型将数据存储为已更改的对象,而不是直接属性。错了吗? 通常我在model.get'name'调用的帮助下访问模型属性。在这种情况下,如何访问新鲜属性?是否应该是model.changed.thePropertyIwantToAccess?

您可以使用此更改事件

在视图的initialize函数中绑定此事件

var Subscriber = Backbone.Model.extend({
    defaults: {
        id: null,
        name: null,
        status: null
        // ...
    },
    initialize: function(attributes, options) {
        var _this = this;
        this.options = options || {};                
        this.on('change', function() {
            _this.set(_this.changedAttributes()['0']);
        });
    }
// ...

这是正常行为吗?正常意味着它是给定API的记录功能/过程。还是说是黑客?
var Subscriber = Backbone.Model.extend({
    defaults: {
        id: null,
        name: null,
        status: null
        // ...
    },
    initialize: function(attributes, options) {
        var _this = this;
        this.options = options || {};                
        this.on('change', function() {
            _this.set(_this.changedAttributes()['0']);
        });
    }
// ...