(angularjs) getting 'ReferenceError: $scope is not defined' when injecting controller

Question

I have am trying to learn AngularJS. I have a HTML page where I am trying to inject module but getting an error

The main js file:

var classificationModule = angular.module('mainapp',[]);

classificationModule.controller('firstcontroll',function(){
    $scope.text="Goodday"
});

The HTML PAGE:

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <meta name="layout" content="main"/>
    <title>Classification Toolkit for Grails</title>          

    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.21/angular.js"></script>
    <asset:javascript src="main.js"/>        

</head>
<body >   
    <div ng-app='mainapp' ng-controller='firstcontroll'>
        Hello, {{text}}
    </div>   

</body>
</html>

Getting the following error :

ReferenceError: $scope is not defined

I dont know what I am doing wrong.

Replace @scope with $scope. @ is not a valid javascript token — Tiborg
– Tiborg, Commented Sep 11, 2014 at 13:52
Did That. A new error occurs. Does there seem to be a problem with the way I am laoding angular JS ? — krs
– krs, Commented Sep 11, 2014 at 13:56

Ruslan López · Accepted Answer · 2016-07-08 15:30:09Z

3

Try passing $scope in the function.

var classificationModule = angular.module('mainapp', []);

classificationModule.controller('firstcontroll', function($scope) {
  $scope.text = "Goodday"
});

<!DOCTYPE html>
<html>

<head lang="en">
  <meta charset="UTF-8">
  <meta name="layout" content="main" />
  <title>Classification Toolkit for Grails</title>

  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.21/angular.js"></script>
  <asset:javascript src="main.js" />

</head>

<body>
  <div ng-app='mainapp' ng-controller='firstcontroll'>
    Hello, {{text}}
  </div>

</body>

</html>

edited Jul 8, 2016 at 15:30

Ruslan López

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answered Sep 11, 2014 at 13:58

Tony

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Comments

Ruslan López · Accepted Answer · 2016-07-08 15:29:29Z

1

You should write

var classificationModule = angular.module('mainapp', []);

classificationModule.controller('firstcontroll', function($scope) {
  $scope.text = "Goodday"
});

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app='mainapp' ng-controller='firstcontroll'>
  Hello, {{text}}
</div>

$scope is a variable provided by angular JS' dependency injection system, and basically it works by matching providers to named parameters.

edited Jul 8, 2016 at 15:29

Ruslan López

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answered Sep 11, 2014 at 13:57

Tiborg

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