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Backbone.js — Introduction to client-side JavaScript MVC
- 2. Philip Poots @pootsbook Ruby Developer Audacio.us 3 18 3
- 12. va Sc ri pt Ja
- 14. Structure Framework State Application Speed Javascript
- 15. Structure Framework State Application Speed Javascript
- 16. $.getJSON("http://example.com/? feed=json&jsonp=?", function(data){ $('#content').html("<a href="" + data[0].permalink + "">" + data[0].title + "</a>"); $('#Date').html(data[0].date); $ ('#Excerpt').html(data[0].excerpt); $('#Excerpt').after("<a href= "" + data[0].permalink + "" class="more">read on »</ a>"); });
- 17. STRUCTURE MVC Model View Controller Pattern —1979 Architecture —Separate domain logic & UI Server-Side MVC —Ruby on Rails
- 18. STRUCTURE MVC on Server
- 19. STRUCTURE MVC on Client
- 20. STRUCTURE Backbone Model window.Todo = Backbone.Model.extend({ defaults: { done: false }, toggle: function() { this.save( {done: !this.get("done")} ); } });
- 21. STRUCTURE Backbone Model window.Todo = Backbone.Model.extend({ defaults: { done: false }, toggle: function() { this.save( {done: !this.get("done")} ); } });
- 22. STRUCTURE Backbone Model window.Todo = Backbone.Model.extend({ defaults: { done: false }, toggle: function() { this.save( {done: !this.get("done")} ); } });
- 23. STRUCTURE Backbone Collection window.TodoList = Backbone.Collection.extend({ model: Todo, localStorage: new Store("todos"), done: function() { return this.filter(function(todo) { return todo.get('done'); }); }, remaining: function() { return this.without.apply( this, this.done()); } });
- 24. STRUCTURE Backbone Collection window.TodoList = Backbone.Collection.extend({ model: Todo, localStorage: new Store("todos"), done: function() { return this.filter(function(todo) { return todo.get('done'); }); }, remaining: function() { return this.without.apply( this, this.done()); } });
- 25. STRUCTURE Backbone Collection window.TodoList = Backbone.Collection.extend({ model: Todo, localStorage: new Store("todos"), done: function() { return this.filter(function(todo) { return todo.get('done'); }); }, remaining: function() { return this.without.apply( this, this.done()); } });
- 26. STRUCTURE Backbone Collection window.TodoList = Backbone.Collection.extend({ model: Todo, localStorage: new Store("todos"), done: function() { return this.filter(function(todo) { return todo.get('done'); }); }, remaining: function() { return this.without.apply( this, this.done()); } });
- 27. STRUCTURE Backbone Collection window.TodoList = Backbone.Collection.extend({ model: Todo, localStorage: new Store("todos"), done: function() { return this.filter(function(todo) { return todo.get('done'); }); }, remaining: function() { return this.without.apply( this, this.done()); } });
- 28. STRUCTURE Backbone Collection window.TodoList = Backbone.Collection.extend({ model: Todo, localStorage: new Store("todos"), done: function() { return this.filter(function(todo) { return todo.get('done'); }); }, remaining: function() { return this.without.apply( this, this.done()); } });
- 29. STRUCTURE Backbone View window.TodoView = Backbone.View.extend({ tagName: "li", template: $("#item-template").template(), events: { "change .check" : "toggleDone", "dblclick .todo-content" : "edit", "click .todo-destroy" : "destroy", "keypress .todo-input" : "updateOnEnter", "blur .todo-input" : "close" },
- 30. STRUCTURE Backbone View window.TodoView = Backbone.View.extend({ tagName: "li", template: $("#item-template").template(), events: { "change .check" : "toggleDone", "dblclick .todo-content" : "edit", "click .todo-destroy" : "destroy", "keypress .todo-input" : "updateOnEnter", "blur .todo-input" : "close" },
- 31. STRUCTURE Backbone View window.TodoView = Backbone.View.extend({ tagName: "li", template: $("#item-template").template(), events: { "change .check" : "toggleDone", "dblclick .todo-content" : "edit", "click .todo-destroy" : "destroy", "keypress .todo-input" : "updateOnEnter", "blur .todo-input" : "close" },
- 32. STRUCTURE JS Template window.TodoView = Backbone.View.extend({ tagName: "li", template: $("#item-template").template(), events: { "change .check" : "toggleDone", "dblclick .todo-content" : "edit", "click .todo-destroy" : "destroy", "keypress .todo-input" : "updateOnEnter", "blur .todo-input" : "close" },
- 33. STRUCTURE Backbone View window.TodoView = Backbone.View.extend({ tagName: "li", template: $("#item-template").template(), events: { "change .check" : "toggleDone", "dblclick .todo-content" : "edit", "click .todo-destroy" : "destroy", "keypress .todo-input" : "updateOnEnter", "blur .todo-input" : "close" },
- 34. STRUCTURE Backbone View initialize: function() { _.bindAll(this, 'render', 'close', 'remove', 'edit'); this.model.bind('change', this.render); this.model.bind('destroy', this.remove); }, render: function() { var element = jQuery.tmpl(this.template, this.model.toJSON()); $(this.el).html(element); this.input = this.$(".todo-input"); return this; },
- 35. STRUCTURE Backbone View initialize: function() { _.bindAll(this, 'render', 'close', 'remove', 'edit'); this.model.bind('change', this.render); this.model.bind('destroy', this.remove); }, render: function() { var element = jQuery.tmpl(this.template, this.model.toJSON()); $(this.el).html(element); this.input = this.$(".todo-input"); return this; },
- 36. STRUCTURE Backbone View toggleDone: function() { this.model.toggle(); },
- 37. STRUCTURE Backbone Router var Workspace = Backbone.Router.extend({ routes: { "help": "help" // #help }, help: function() { ... } });
- 38. STRUCTURE Backbone Router var Workspace = Backbone.Router.extend({ routes: { "help": "help" // #help }, help: function() { ... } });
- 39. STRUCTURE Backbone Router var Workspace = Backbone.Router.extend({ routes: { "help": "help" // #help }, help: function() { ... } });
- 40. STRUCTURE Clean Code
- 41. Structure Framework State Application Speed Javascript
- 42. S TAT E HTTP/1.1 “It is a…stateless protocol” —RFC 2616 (June 1999)
- 43. S TAT E HTTP/1.1 “It is a…stateless protocol” —RFC 2616 (June 1999) cookies sessions form variables URI parameters
- 44. S TAT E Server Owns State Client Server
- 45. S TAT E Request GET / HTTP/1.1 Client Server
- 46. S TAT E Response HTTP/1.1 200 OK Client Server
- 47. S TAT E AJAX asynchronicity Client Server
- 48. S TAT E Infrastructure Client Server
- 49. S TAT E Infrastructure Client Web Server
- 50. S TAT E Infrastructure Client Web Server RESTful Application
- 51. S TAT E Infrastructure Client Web Server RESTful Application Database
- 52. S TAT E Infrastructure Client JavaScript MVC App. Web Server RESTful API / App. Database
- 53. S TAT E Infrastructure Client JavaScript MVC App. Local Storage Bo nu s!
- 54. Structure Framework State Application Speed Javascript
- 55. SPEED JavaScript is Fast Google v8 JS engine —focus on optimizing speed It runs in the browser —cuts out server requests —spares server resources —instantaneous UI
- 56. SPEED Data Transport JSON data only —no markup
- 57. SPEED Data Transport JSON data only —no markup { "id": 1, "first_name": "Philip", "last_name": "Poots", "twitter": "@pootsbook"} vs. "<div id="user_1">n<dl>n<dt>Name</dt> n<dd>Philip Poots</dd>n<dt>Twitter handle:</dt>n<dd>@pootsbook</dd>n</dl> n</div>"
- 58. Structure Framework State Application Speed Javascript