Created
April 28, 2012 22:05
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Simple example of using Backbone Model, Collection and Views in conjunction with Underscore templating.
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| $(document).ready(function() { | |
| var Meal = Backbone.Model.extend({ | |
| defaults: { | |
| "appetizer": "Caesar Salad", | |
| "entree": "Ravioli", | |
| "dessert": "Cheesecake" | |
| } | |
| }); | |
| var Meals = Backbone.Collection.extend({ | |
| model: Meal | |
| }); | |
| var Menu = Backbone.View.extend({ | |
| el: $('body'), | |
| events: { | |
| 'click button#add': 'addMeal' | |
| }, | |
| template: _.template($("#template-menu").html()), | |
| initialize: function() { | |
| _.bindAll(this, 'render', 'addMeal'); | |
| this.collection = new Meals(); | |
| this.collection.add(new Meal()); | |
| this.collection.add(new Meal({ | |
| 'appetizer': 'Poop' | |
| })); | |
| this.collection.bind('add', this.render); | |
| this.render(); | |
| }, | |
| render: function() { | |
| var html = this.template({ | |
| meals: this.collection.toJSON() | |
| }); | |
| $('ol', this.el).html(html); | |
| }, | |
| addMeal: function() { | |
| console.log("Added meal"); | |
| this.collection.add(new Meal({'appetizer' : $('#appetizer').val() || "None"})); | |
| } | |
| }); | |
| var menus = new Menu(); | |
| }); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="jquery-1.7.2.min.js"></script> | |
| <script src="underscore-min.js"></script> | |
| <script src="backbone-min.js"></script> | |
| <script src="json2.js"></script> | |
| <script src="code.js"></script> | |
| <meta charset=utf-8 /> | |
| <title>JS Bin</title> | |
| <!--[if IE]> | |
| <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script> | |
| <![endif]--> | |
| <style> | |
| article, aside, figure, footer, header, hgroup, menu, nav, section { | |
| display: block; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1> Menu </h1> | |
| <button id="add">Add meal</button> | |
| <input type="text" id="appetizer"> | |
| <ol> </ol > | |
| <script type="text/html" id="template-menu"> | |
| <% _.each(meals, function (meal) { %> <li> Appetizer: <%= meal.appetizer %> , | |
| Entree: <%= meal.entree %> , | |
| Dessert: <%= meal.dessert %> </li> | |
| <% }); %> | |
| </script> | |
| </body> | |
| </html> |
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