The controller with the name 'FunctionHelloworld' is not registered.[Angular js error] RSS

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Last post Oct 22, 2019 06:35 AM by Yang Shen

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erum
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84 Points

1323 Posts
The controller with the name 'FunctionHelloworld' is not registered.[Angular js error]

Oct 22, 2019 04:29 AM|erum|LINK
Can y one help me . here is angular version i m using

/**
* @license AngularJS v1.7.8
* (c) 2010-2018 Google, Inc. http://angularjs.org
* License: MIT
*/

here is code
```
<!DOCTYPE html>
<html>
<head>
    <title></title>
	<meta charset="utf-8" />
    <script src="Scripts/angular.js"></script>
</head>
<body ng-app>
    <div ng-controller="FunctionHelloworld">
        Hello:
        {{message}}
    </div>
    <script>
        function FunctionHelloworld($scope) {
            $scope.message = "ERum";
        }

    </script>

</body>

</html>
```
here is error

angular.js:15567 Error: [$controller:ctrlreg] The controller with the name 'FunctionHelloworld' is not registered.
https://errors.angularjs.org/1.7.8/$controller/ctrlreg?p0=FunctionHelloworld
at angular.js:138
at $controller (angular.js:11677)
at setupControllers (angular.js:10708)
at nodeLinkFn (angular.js:10493)
at compositeLinkFn (angular.js:9832)
at compositeLinkFn (angular.js:9835)
at publicLinkFn (angular.js:9697)
at angular.js:1965
at Scope.$eval (angular.js:19393)
at Scope.$apply (angular.js:19492)

please not down that i m just beginner level with angular ,and this time i m sharing code with empty string after ng-app

<body ng-app> also , i just need to print hello world..
- Reply
Yang Shen
Contributor

3140 Points

983 Posts
Re: The controller with the name 'FunctionHelloworld' is not registered.[Angular js error]

Oct 22, 2019 06:35 AM|Yang Shen|LINK
Hi erum,

erum
angular.js:15567 Error: [$controller:ctrlreg] The controller with the name 'FunctionHelloworld' is not registered.

I think in Angular, it's a different way to define a controller than:
erum
```
<script>
        function FunctionHelloworld($scope) {
            $scope.message = "ERum";
        }

    </script>
```
First of all, you need to specify a range with ng-app and then specify the controller name with ng-controller.

Please refer to AngularJS Controllers for more information about how to use AngualrJS controllers.

Also, your code can be modefied like below:
```
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
	<meta charset="utf-8" />
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular.min.js"></script>
</head>
<body ng-app="myApp">
    <div ng-controller="FunctionHelloworld">
        Hello:
        {{message}}
    </div>
    <script>
        angular.module('myApp', []).controller('FunctionHelloworld', function ($scope) {
            $scope.message = "ERum";
        });
    </script>

</body>
</html>
```
You can see the result below:

Best Regard,

Yang Shen

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