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Why Am I Getting the \'$injector:modulerr\' Error During My AngularJS Migration to Version 1.3?
Why Am I Getting the \'$injector:modulerr\' Error During My AngularJS Migration to Version 1.3?
Angularjs Error: [$injector:modulerr] During Migration to V1.3
In Angularjs, the error [$injector:modulerr] indicates a module dependency issue, specifically when migrating from earlier versions to V1.3.
Pre-V1.3 Angularjs Code:
<code class="html"><body>
<div ng-controller="Ctrl">
...
<script>
var Ctrl = function($scope) {
...
};
</script>
</div>
</body></code>Post-V1.3 Angularjs Code:
<code class="html"><body ng-app="app">
<div ng-controller="Ctrl">
...
</div>
<script>
function Ctrl($scope) {
...
}
angular.module('app', [])
.controller('Ctrl', ['$scope', Ctrl]);
</script>
</body></code>Changes with V1.3:
- Global Controller Declaration Disabled: After Angularjs V1.3, global controller functions cannot be declared outside a module. Instead, controllers must be registered within a module.
- ng-app Directive Required: The ng-app directive must be present on the root element to bootstrap the Angularjs application.
Solution:
- Create an Angularjs Module: Use angular.module() to define a module named 'app'.
- Register Controller within the Module: Call .controller() on the module to define a controller named 'Ctrl' with the appropriate dependencies and the controller function.
- Add ng-app to the Root Element: Ensure the root HTML element has the ng-app attribute.
Additional Notes:
- It's recommended to use the latest version of Angularjs (1.6 or higher) for stability and security reasons.
- If you need to support global controller declarations, you can use angular.config().allowGlobalScoping(). However, this isn't the best practice.
The above is the detailed content of Why Am I Getting the \'$injector:modulerr\' Error During My AngularJS Migration to Version 1.3?. For more information, please follow other related articles on the PHP Chinese website!
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