| Simon Hunt | 335b247 | 2014-12-08 16:52:18 -0800 | [diff] [blame] | 1 | <!DOCTYPE html> |
| 2 | <html ng-app="notesApp"> |
| 3 | <head> |
| 4 | <title>Notes App</title> |
| 5 | <script src="../../tp/angular.js"></script> |
| 6 | <style> |
| 7 | span { |
| 8 | background-color: #cce; |
| 9 | } |
| 10 | </style> |
| 11 | </head> |
| 12 | <body ng-controller="MainCtrl as ctrl"> |
| 13 | |
| 14 | <button ng-click="ctrl.changeNotes()">Change Notes</button> |
| 15 | <br/> |
| 16 | |
| 17 | DOM Elements change at every click |
| 18 | <div ng-repeat="note in ctrl.notes1"> |
| 19 | {{note.$$hashKey}} |
| 20 | <span class="label"> {{note.label}} </span> |
| 21 | <span class="author"> {{note.done}} </span> |
| 22 | </div> |
| 23 | <br/> |
| 24 | |
| 25 | DOM Elements are reused at every click |
| 26 | <div ng-repeat="note in ctrl.notes2 track by note.id"> |
| 27 | {{note.$$hashKey}} |
| 28 | <span class="label"> {{note.label}} </span> |
| 29 | <span class="author"> {{note.done}} </span> |
| 30 | </div> |
| 31 | |
| 32 | <script type="text/javascript"> |
| 33 | angular.module('notesApp', []).controller('MainCtrl', [ |
| 34 | function () { |
| 35 | var self = this; |
| 36 | var notes = [ |
| 37 | {id: 1, label: 'First note', done: false, someRandom: 31431}, |
| 38 | {id: 2, label: 'Second note', done: false}, |
| 39 | {id: 3, label: 'Finished third note', done: true} |
| 40 | ]; |
| 41 | self.notes1 = angular.copy(notes); |
| 42 | self.notes2 = angular.copy(notes); |
| 43 | |
| 44 | self.changeNotes = function () { |
| 45 | notes = [ |
| 46 | {id: 1, label: 'Changed note', done: false, someRandom: 4242}, |
| 47 | {id: 2, label: 'Second note', done: false}, |
| 48 | {id: 3, label: 'Finished third note', done: true} |
| 49 | ]; |
| 50 | self.notes1 = angular.copy(notes); |
| 51 | self.notes2 = angular.copy(notes); |
| 52 | } |
| 53 | } |
| 54 | ]); |
| 55 | </script> |
| 56 | |
| 57 | </body> |
| 58 | </html> |