来自后端服务的主干请求json（跨域）

Question

I'm trying to request the json from the backend service using backbone, I want to request the data and then parse it into the required client side structure, so I want to know why the following simple example does not make a call out to the backend service:

Book = Backbone.Model.extend({});
Books = Backbone.Collection.extend({
    model: Book,
        url: 'http://foobar.cloudapp.net/contents',
        parse: function (response) {
            return response;
        }
    });
function default_start_up() {
    var books = new Books();
    books.fetch();
};

Answer 1

我已经将此jQuery插件与成功的跨域ajax一起使用