backbone-js-complex-model
https://github.com/powmedia/backbone-deep-model
https://github.com/powmedia/backbone-forms
http://stackoverflow.com/questions/9135250/backbone-js-complex-model
var Tag = Backbone.Model.extend({ defaults: { name: '' }, validate: function(atts){ if(!atts.name || atts.name.length < 2){ return "You must provide a name that's longer than 2 characters"; } } }); var TagList = Backbone.Collection.extend({ model: Tag }) var Entry = Backbone.Model.extend({ defaults: { author: "Todd", pub_date: new Date(), content: "", title: "", tags: new TagList() }, add_tag: function(tag){ var tag_collection = this.get('tags'); tag_collection.add({name: tag}); this.set({tags: tag_collection}); }, remove_tag: function(tag){ tag.destroy(); }, tags: function(){ return this.get('tags').models; } });