Step 1: Import the angular JS library in index.html:
<DOCTYPE html>
<html>
<head>
<!--Import angular js library-->
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.8/angular.min.js"></script>
</head>
<body>
</body>
</html>
step 2: Define module called ToDoList:
Module:
- It defines an app, and acts as container for different part of app and for app controllers.
Path: js/app.js
// initialise a module called ToDoList
var app = angular.module('ToDoList', []);
Step 3: Connect app.js to your index.html
<DOCTYPE html>
<html>
<head>
<!--Import angular js library-->
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.8/angular.min.js"></script>
</head>
<body>
</body>
</html>
Step 4: Create controller for your application that handles the data
Path:js/controllers/MainController.js
app.controller('MainController', ['$scope', function($scope) {
//The $scope in an AngularJS is a built-in object, which contains application data and methods.
// You can create properties to a $scope object inside a controller function and assign a value or function to it.
// The $scope is glue between a controller and view (HTML).
$scope.list = ["Clean my room", "Go to the store", "Study Cracking the Coding Interview"]
$scope.addItem = function() {
// addToDo is the ngModel - an input variable
// push an item to the list
$scope.list.push($scope.addToDo);
}
}]);
Path: index.html
<DOCTYPE html>
<html>
<head>
<!--Import angular js library-->
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.8/angular.min.js"></script>
</head>
<!--ng-app is the root element-->
<body ng-app="ToDoList">
<div ng-controller="MainController">
<div ng-repeat="item in list">
<li>{{item}}</li>
</div>
<input ng-model="addToDo">
<button ng-click="addItem()">Add This To-Do</button>
</div>
<!-- Import the ToDoList module -->
<script type="text/javascript" src="js/app.js"></script>
<!-- Import controllers -->
<script type="text/javascript" src="js/controllers/MainController.js"></script>
</body>
</html>
<!-- How to Import Angular.js -->
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.8/angular.min.js"></script>
<!-- How to How to Initialize a Module -->
var app = angular.module('ModuleName', []);
<!-- How to Create a Controller -->
app.controller('ControllerName', ['$scope', function($scope) {
$scope.text = "Value for Text Attribute in Scope"
$scope.method = function() {
/* body of function */ }
}]);
<!-- What You Need To Import -->
1. angular framework
2. app.js (modules)
3. controller files
<!-- What You Need To Attach in index.html -->
1. application with ng-app
2. controller with ng-controller
<!-- ng-repeat -->
// loop through a collection / array
<div ng-repeat= "color in colors">
<li> ""color"" </li> // except with handlebars instead of quotes
</div>
<!-- ng-click -->
// execute a method or expression when element is clicked
<button ng-click="changeBackgroundColor()"></button>
<!-- ng-src -->
// use angular to set a source path for an image
<img ng-src="http://www.myblog.com/article/images/">
<!-- ng-href -->
// use angular to set the source for a link
<a ng-href="http://www.myblog.com/article">click here!</a>
<!-- ng-model -->
// bind input elements to scope attributes
<input ng-model="name"></input>
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