1 Person = Backbone.Model.extend({
2 //如果从validate中返回字符串了，Backbone就会抛个实例异常
3 validate: function(attributes) {
4 if (attributes.age < 0 && attributes.name != "Dr Manhatten") {
5 return '你的存在是个错误';
6 }
7 },
8 initialize: function() {
9 console.log('欢迎来到这个报错的世界!');
10 this.bind('error', function(model, error) {
11 //收到个错误，记录，警告，然后忘记它
12 console.log(error);
13 });
14 }
15 });
16
17 var person = new Person;
18 person.set({
19 name: 'Mary Poppins',
20 age: -1
21 });
22
23 //会触发error，输出警告
24 delete person;
25
26 var person = new Person;
27 person.set({
28 name: 'Dr Manhatten',
29 age: -1
30 })
