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 })
转载于:https://www.cnblogs.com/qzsonline/archive/2012/08/16/2641966.html