Backbone View 随数据改变而render。

backbone_view_dynamic_render.js

$(document).ready(function() {
  var dom = $("<div>").attr('id', 'mvj3');
  $("body").html(dom);
  window.mvj3 = Backbone.View.extend({
    initialize: function(opts) {
      this.opts = opts;
      return this;
    },
    tagName: "div",
    render: function() {
      this.$el.html(this.template({opts: this.opts}));
      return this;
    },
    template: _.template("<h1>改变之: <%= opts.hello %></h1>")
  });
  window.m = new mvj3({hello: "Ruby"});
  dom.html(m.el);
  m.render();
  m.opts.hello = 'Python';
  setTimeout(function() { m.render(); }, 3000);
});