CODEWITHSUNDEEP
javascriptangularjsdependency-injection
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Reputation: 13645

Does Angular DI work at both Module and Controller level?

There are plenty of examples describing how DI operates at controller level in Angular.js but I am new to Angular and I am looking at the code of creating a new module and when I look at following code:

var app = angular.module("myApp", []);

When it says that if this module is using other modules then we can specify them in in []. Is is also not a kind of Dependency injection?

So would it be correct statement to say that DI works at both Module and Controller level in Angular.JS?

Upvotes: 0

Views: 28

Answers (1)

Ravi Teja
Ravi Teja

Reputation: 1107

Yes, DI works at both Module and Controller level.

But, the difference is 

var app = angular.module("myApp", []);

in the above line you inject modules that myApp module depends upon.

Whereas, at controller level, you inject services.

var app = angular.module("myApp", ['navigation']); 
app.controller("appController", function(navDataService){
});

So, when AngularJS bootstrap application, it look at module dependencies and load those modules and make the services available, so that, they can be injected into contoller.

Upvotes: 2

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