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Summary Angular JS Notes For Professionals

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Contents
About ................................................................................................................................................................................... 1
Chapter 1: Getting started with AngularJS ...................................................................................................... 2
Section 1.1: Getting Started ........................................................................................................................................... 6
Section 1.2: Showcasing all common Angular constructs ......................................................................................... 7
Section 1.3: The importance of scope .......................................................................................................................... 8
Section 1.4: Minification in Angular ............................................................................................................................ 10
Section 1.5: AngularJS Getting Started Video Tutorials .......................................................................................... 11
Section 1.6: The Simplest Possible Angular Hello World .......................................................................................... 11
Chapter 2: Modules .................................................................................................................................................... 13
Section 2.1: Modules .................................................................................................................................................... 13
Section 2.2: Modules ................................................................................................................................................... 13
Chapter 3: Components ........................................................................................................................................... 15
Section 3.1: Basic Components and LifeCycle Hooks .............................................................................................. 15
Section 3.2: Components In angular JS .................................................................................................................... 17
Chapter 4: Built-in directives ................................................................................................................................ 19
Section 4.1: Angular expressions - Text vs. Number ................................................................................................ 19
Section 4.2: ngIf ........................................................................................................................................................... 19
Section 4.3: ngCloak .................................................................................................................................................... 20
Section 4.4: ngRepeat ................................................................................................................................................. 21
Section 4.5: Built-In Directives Cheat Sheet .............................................................................................................. 24
Section 4.6: ngInclude ................................................................................................................................................. 25
Section 4.7: ng-model-options ................................................................................................................................... 25
Section 4.8: ngCopy .................................................................................................................................................... 26
Section 4.9: ngPaste .................................................................................................................................................... 26
Section 4.10: ngClick .................................................................................................................................................... 27
Section 4.11: ngList ....................................................................................................................................................... 27
Section 4.12: ngOptions ............................................................................................................................................... 28
Section 4.13: ngSrc ....................................................................................................................................................... 30
Section 4.14: ngModel .................................................................................................................................................. 30
Section 4.15: ngClass ................................................................................................................................................... 31
Section 4.16: ngDblclick ............................................................................................................................................... 31
Section 4.17: ngHref ..................................................................................................................................................... 32
Section 4.18: ngPattern ............................................................................................................................................... 32
Section 4.19: ngShow and ngHide .............................................................................................................................. 33
Section 4.20: ngRequired ........................................................................................................................................... 34
Section 4.21: ngMouseenter and ngMouseleave ...................................................................................................... 34
Section 4.22: ngDisabled ............................................................................................................................................ 34
Section 4.23: ngValue .................................................................................................................................................. 35
Chapter 5: Use of in-built directives ................................................................................................................. 36
Section 5.1: Hide/Show HTML Elements .................................................................................................................... 36
Chapter 6: Custom Directives ............................................................................................................................... 37
Section 6.1: Creating and consuming custom directives ......................................................................................... 38
Section 6.2: Directive Definition Object Template ................................................................................................... 39
Section 6.3: How to create resuable component using directive ........................................................................... 40
Section 6.4: Basic Directive example ......................................................................................................................... 42
Section 6.5: Directive decorator ................................................................................................................................. 42
Section 6.6: Basic directive with template and an isolated scope ......................................................................... 43

, Section 6.7: Building a reusable component ............................................................................................................ 44
Section 6.8: Directive inheritance and interoperability ............................................................................................ 45
Chapter 7: How data binding works ................................................................................................................. 47
Section 7.1: Data Binding Example ............................................................................................................................ 47
Chapter 8: Angular Project - Directory Structure ..................................................................................... 49
Section 8.1: Directory Structure .................................................................................................................................. 49
Chapter 9: Filters ........................................................................................................................................................ 51
Section 9.1: Accessing a filtered list from outside an ng-repeat ............................................................................ 51
Section 9.2: Custom filter to remove values ............................................................................................................. 51
Section 9.3: Custom filter to format values .............................................................................................................. 51
Section 9.4: Using filters in a controller or service ................................................................................................... 52
Section 9.5: Performing filter in a child array ........................................................................................................... 52
Chapter 10: Custom filters ...................................................................................................................................... 54
Section 10.1: Use a filter in a controller, a service or a filter .................................................................................... 54
Section 10.2: Create a filter with parameters ........................................................................................................... 54
Section 10.3: Simple filter example ............................................................................................................................ 54
Chapter 11: Constants ............................................................................................................................................... 56
Section 11.1: Create your first constant ...................................................................................................................... 56
Section 11.2: Use cases ................................................................................................................................................ 56
Chapter 12: Custom filters with ES6 ................................................................................................................... 58
Section 12.1: FileSize Filter using ES6 .......................................................................................................................... 58
Chapter 13: Directives using ngModelController ........................................................................................ 59
Section 13.1: A simple control: rating .......................................................................................................................... 59
Section 13.2: A couple of complex controls: edit a full object ................................................................................. 61
Chapter 14: Controllers ........................................................................................................................................... 64
Section 14.1: Your First Controller ............................................................................................................................... 64
Section 14.2: Creating Controllers, Minification safe ................................................................................................ 65
Section 14.3: Using ControllerAs in Angular JS ......................................................................................................... 66
Section 14.4: Creating Minification-Safe Angular Controllers ................................................................................. 67
Section 14.5: Creating Controllers .............................................................................................................................. 68
Section 14.6: Nested Controllers ................................................................................................................................. 68
Chapter 15: Controllers with ES6 ......................................................................................................................... 69
Section 15.1: Controller ................................................................................................................................................ 69
Chapter 16: The Self Or This Variable In A Controller .............................................................................. 70
Section 16.1: Understanding The Purpose Of The Self Variable ............................................................................. 70
Chapter 17: Services .................................................................................................................................................. 72
Section 17.1: Creating a service using angular.factory ............................................................................................ 72
Section 17.2: Dierence between Service and Factory ........................................................................................... 72
Section 17.3: $sce - sanitize and render content and resources in templates ...................................................... 75
Section 17.4: How to create a Service ........................................................................................................................ 75
Section 17.5: How to use a service ............................................................................................................................. 76
Section 17.6: How to create a Service with dependencies using 'array syntax' .................................................... 76
Section 17.7: Registering a Service ............................................................................................................................. 77
Chapter 18: Distinguishing Service vs Factory ............................................................................................. 78
Section 18.1: Factory VS Service once-and-for-all ................................................................................................... 78
Chapter 19: Angular promises with $q service ............................................................................................. 80
Section 19.1: Wrap simple value into a promise using $q.when() ........................................................................... 80
Section 19.2: Using angular promises with $q service ............................................................................................. 80

, Section 19.3: Using the $q constructor to create promises ..................................................................................... 82
Section 19.4: Avoid the $q Deferred Anti-Pattern ..................................................................................................... 83
Section 19.5: Using $q.all to handle multiple promises ............................................................................................ 84
Section 19.6: Deferring operations using $q.defer ................................................................................................... 85
Chapter 20: Dependency Injection .................................................................................................................... 86
Section 20.1: Dynamic Injections ................................................................................................................................ 86
Section 20.2: Dynamically load AngularJS service in vanilla JavaScript ............................................................. 86
Chapter 21: Events ...................................................................................................................................................... 87
Section 21.1: Using angular event system ................................................................................................................. 87
Section 21.2: Always deregister $rootScope.$on listeners on the scope $destory event .................................... 89
Section 21.3: Uses and significance ........................................................................................................................... 89
Chapter 22: Sharing Data ....................................................................................................................................... 92
Section 22.1: Using ngStorage to share data ........................................................................................................... 92
Section 22.2: Sharing data from one controller to another using service ............................................................ 92
Chapter 23: Form Validation ................................................................................................................................. 94
Section 23.1: Form and Input States .......................................................................................................................... 94
Section 23.2: CSS Classes ........................................................................................................................................... 94
Section 23.3: Basic Form Validation .......................................................................................................................... 94
Section 23.4: Custom Form Validation ...................................................................................................................... 95
Section 23.5: Async validators ................................................................................................................................... 96
Section 23.6: ngMessages .......................................................................................................................................... 96
Section 23.7: Nested Forms ........................................................................................................................................ 97
Chapter 24: Routing using ngRoute ................................................................................................................. 98
Section 24.1: Basic example ........................................................................................................................................ 98
Section 24.2: Defining custom behavior for individual routes ................................................................................ 99
Section 24.3: Route parameters example .............................................................................................................. 100
Chapter 25: ng-class directive ........................................................................................................................... 102
Section 25.1: Three types of ng-class expressions ................................................................................................ 102
Chapter 26: ng-repeat ........................................................................................................................................... 104
Section 26.1: ng-repeat-start + ng-repeat-end ...................................................................................................... 104
Section 26.2: Iterating over object properties ........................................................................................................ 104
Section 26.3: Tracking and Duplicates .................................................................................................................... 105
Chapter 27: ng-style ............................................................................................................................................... 106
Section 27.1: Use of ng-style .................................................................................................................................... 106
Chapter 28: ng-view ................................................................................................................................................ 107
Section 28.1: Registration navigation ...................................................................................................................... 107
Section 28.2: ng-view ................................................................................................................................................ 107
Chapter 29: AngularJS bindings options (`=`, `@`, `&` etc.) .................................................................. 109
Section 29.1: Bind optional attribute ........................................................................................................................ 109
Section 29.2: @ one-way binding, attribute binding ............................................................................................. 109
Section 29.3: = two-way binding .............................................................................................................................. 109
Section 29.4: & function binding, expression binding ............................................................................................ 110
Section 29.5: Available binding through a simple sample .................................................................................... 110
Chapter 30: Providers ............................................................................................................................................ 111
Section 30.1: Provider ................................................................................................................................................ 111
Section 30.2: Factory ................................................................................................................................................ 111
Section 30.3: Constant .............................................................................................................................................. 112
Section 30.4: Service ................................................................................................................................................. 112
Section 30.5: Value .................................................................................................................................................... 113

, Chapter 31: Decorators .......................................................................................................................................... 114
Section 31.1: Decorate service, factory .................................................................................................................... 114
Section 31.2: Decorate directive ............................................................................................................................... 114
Section 31.3: Decorate filter ...................................................................................................................................... 115
Chapter 32: Print ....................................................................................................................................................... 116
Section 32.1: Print Service ......................................................................................................................................... 116
Chapter 33: ui-router .............................................................................................................................................. 118
Section 33.1: Basic Example ...................................................................................................................................... 118
Section 33.2: Multiple Views ..................................................................................................................................... 119
Section 33.3: Using resolve functions to load data ................................................................................................ 120
Section 33.4: Nested Views / States ........................................................................................................................ 121
Chapter 34: Built-in helper Functions ............................................................................................................ 123
Section 34.1: angular.equals ..................................................................................................................................... 123
Section 34.2: angular.toJson .................................................................................................................................... 123
Section 34.3: angular.copy ....................................................................................................................................... 124
Section 34.4: angular.isString ................................................................................................................................... 124
Section 34.5: angular.isArray ................................................................................................................................... 124
Section 34.6: angular.merge .................................................................................................................................... 125
Section 34.7: angular.isDefined and angular.isUndefined .................................................................................... 125
Section 34.8: angular.isDate ..................................................................................................................................... 126
Section 34.9: angular.noop ....................................................................................................................................... 126
Section 34.10: angular.isElement .............................................................................................................................. 126
Section 34.11: angular.isFunction .............................................................................................................................. 127
Section 34.12: angular.identity ................................................................................................................................. 127
Section 34.13: angular.forEach ................................................................................................................................. 128
Section 34.14: angular.isNumber .............................................................................................................................. 128
Section 34.15: angular.isObject ................................................................................................................................ 128
Section 34.16: angular.fromJson .............................................................................................................................. 129
Chapter 35: digest loop walkthrough ............................................................................................................ 130
Section 35.1: $digest and $watch ............................................................................................................................. 130
Section 35.2: the $scope tree ................................................................................................................................... 130
Section 35.3: two way data binding ........................................................................................................................ 131
Chapter 36: Angular $scopes .............................................................................................................................. 133
Section 36.1: A function available in the entire app ............................................................................................... 133
Section 36.2: Avoid inheriting primitive values ....................................................................................................... 133
Section 36.3: Basic Example of $scope inheritance ............................................................................................... 134
Section 36.4: How can you limit the scope on a directive and why would you do this? .................................... 134
Section 36.5: Using $scope functions ...................................................................................................................... 135
Section 36.6: Creating custom $scope events ....................................................................................................... 136
Chapter 37: Using AngularJS with TypeScript ........................................................................................... 138
Section 37.1: Using Bundling / Minification ............................................................................................................. 138
Section 37.2: Angular Controllers in Typescript ..................................................................................................... 138
Section 37.3: Using the Controller with ControllerAs Syntax ................................................................................ 140
Section 37.4: Why ControllerAs Syntax? ................................................................................................................. 140
Chapter 38: $http request ................................................................................................................................... 142
Section 38.1: Timing of an $http request ................................................................................................................. 142
Section 38.2: Using $http inside a controller .......................................................................................................... 142
Section 38.3: Using $http request in a service ........................................................................................................ 143
Chapter 39: Prepare for Production - Grunt ............................................................................................... 145

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