How to Create Controller Function in AngularJS

In this AngularJS basic example you will learn how to create controller function in AngularJS.

Here you can view the output of the example and you can also "try it yourself" by clicking on "Live Demo" button given at the bottom.

Syntax

myApp.controller('myController', ['$scope', function($scope) {  
  $scope.sqrt = function(value) { return value * value; };  
}]);

What is Expression in AngularJS

<html ng-app="myapp">  
<head> <!-- www.techstrikers.com -->
<title>My first AngularJS Controllers Function code</title>  
<script SRC="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.13/angular.js">  
</script>  
<script type="text/javascript">  
//Creating Modules and Controller here  
var app = angular.module('myapp', []);  
app.controller('myController', function($scope) {  
  $scope.sqrt = function(value) { return value * value; };  
})
</script>  
</head>  
<body>  
<div ng-controller="myController">  
  The Square of 20 equals to : {{ sqrt(20) }}  
</div>  
</body>  
</html>

See Live Example

AngularJS Basic Code Examples 08

How to start with AngulatrJS

What is module and how to create module in AngularJS

What is controller and how to create controller in AngularJS

How to register controller with module in AngularJS

How to bootstrap the AngularJS application

What is expression in AngularJS

What is directives in AngularJS

How to create controller function in AngularJS

AngularJS Expression Code Examples 10

A simple expression example in AngularJS

AngularJS expression with ng-init

AngularJS expression without ng-app

AngularJS expression with number

AngularJS expression with string

AngularJS expression with object

AngularJS expression using ng-bind with number

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