The intention behind the code below is to bind $scope.as. However, currently no content is being displayed and no errors are showing up in the console.
var testModule = angular.module('testmodule', [])
.controller('ctrl', function ($scope, mser) {
mser.aa();
})
.service('mser', function($scope /* Is $scope supposed to be here */) {
this.aa = function(){
$scope.as = "hello mars"
}});
Avoid using $scope in services. It is recommended to just have the service return data and then bind it to a $scope variable within the controller.
var sampleModule = angular.module('samplemodule', [])
.controller('ctrl', function ($scope, customService) {
$scope.result = customService.getData();
}).service('customService', function() {
this.getData = function(){
return "hello mars"
}
});
For more information, refer to Injecting $scope into an angular service function()
When working with AngularJS, remember that $scope should be utilized within the controller to connect it with the DOM. Services are injected into controllers, meaning they do not have individual entities on their own.
$scope object acts as the bridge between the view and the controller in your Angular application.
It is not recommended to pass it into a service.
Services are singleton objects utilized to share data among multiple controllers, directives, filters, etc.
Here are some adjustments that should be made in your code:
1. Use $scope in the controller instead of the service.
2. Have the service return the object, then retrieve it in the controller within a $scope object.
By following the strategy outlined above, you can modify your code as follows :
Controller:
var testModule = angular.module('testmodule', [])
.controller('ctrl', function ($scope, mser) {
$scope.as = mser.aa();
})
.service('mser', function() {
this.aa = function(){
return "hello mars";
}});
View:
<span>{{::as}}</span>
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