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backbone.js + knockout.js
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="content-type" content="text/html; charset=UTF-8"> | |
| <script type='text/javascript' src='//code.jquery.com/jquery-1.9.1.js'></script> | |
| <script type='text/javascript' src="http://underscorejs.org/underscore-min.js"></script> | |
| <script type='text/javascript' src="http://backbonejs.org/backbone-min.js"></script> | |
| <script type='text/javascript' src="http://knockoutjs.com/downloads/knockout-3.0.0.js"></script> | |
| </head> | |
| </body> | |
| <template id="t"> | |
| <select data-bind="options: tickets, | |
| optionsCaption: 'Choose...', | |
| optionsText: 'name', | |
| value: chosenTicket"></select> | |
| <button data-bind="enable: chosenTicket, | |
| click: resetTicket">Clear</button> | |
| <p data-bind="with: chosenTicket"> | |
| You have chosen <b data-bind="text: name"></b> | |
| ($<span data-bind="text: price"></span>) | |
| </p> | |
| </template> | |
| <script type='text/javascript' src="script.js"></script> | |
| </body> |
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| var TestView = Backbone.View.extend({ | |
| template: function(){ | |
| return $('#t').html(); | |
| }, | |
| render: function(){ | |
| this.$el.html(this.template()); | |
| ko.applyBindings(this.model, this.el); | |
| return this; | |
| } | |
| }); | |
| function TicketsViewModel(model){ | |
| this.tickets = [ | |
| {name: 'Economy', price: 199.95}, | |
| {name: 'Business', price: 449.95}, | |
| {name: 'First Class', price: 1199.00} | |
| ]; | |
| this.chosenTicket = ko.observable(); | |
| this.resetTicket = function(){ | |
| this.chosenTicket(null); | |
| } | |
| this.chosenTicket.subscribe(function(newValue){ | |
| console.log('changing ticket to new value', newValue); | |
| }); | |
| } | |
| var view1 = new TestView({ | |
| model: new TicketsViewModel() | |
| }); | |
| var view2 = new TestView({ | |
| model: new TicketsViewModel() | |
| }); | |
| $('body').append(view1.render().el) | |
| $('body').append(view2.render().el) |
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