Angular updating global variable in all controllers

Question

i have a problem with global variables in Angular.js framework, there are controllers handling array of objects in my application. So i need to update this variable in all controllers when i make 'GET' request to the server for a new data.

I tried do it with services, but the array changes only in controller which initiates get request.

How i can do this?

update it with $rootScope then changes will be reflected every where. — Jai
– Jai, Commented Nov 14, 2014 at 8:01

smartbart24 · Accepted Answer · 2014-11-14 07:53:24Z

1

So do you want to know how to share global variables across contollers?

That you can do with the $rootScope:

https://docs.angularjs.org/api/ng/service/$rootScope

So you just work with $rootScope.yourArrayOfObjs = ....

Also have a look at what the different scopes are in ng

https://docs.angularjs.org/guide/scope

UPDATE: You can of course also do this with a service but not if the sole purpose of the service is to provide the global variables. See angular FAQ last question:

https://docs.angularjs.org/misc/faq

edited Nov 14, 2014 at 7:53

answered Nov 14, 2014 at 7:46

smartbart24

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1 Comment

lex82 Over a year ago

Thanks for the update with the link to the FAQs. I was surprised by the last sentence because I thought all scopes (also isolate scopes) would inherit from $rootScope, which would make them a bad place to store such data. However, I found out that this is not the case. Anyway, unless the data is used nearly everywhere in the app, I'd rather wrap it in a service and inject it where appropriate.

Simon H · Accepted Answer · 2014-11-14 07:43:17Z

0

This is a common issue, and you need to store your data in (rather than as) an object in your factory, like:

app.factory('Factory', function() {
    var Factory;
    Factory.data = {}
    Factory.data.sharedAccrossControllers = [1,2,3];
    return Factory;
});

answered Nov 14, 2014 at 7:43

Simon H

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