How to share data between controllers in AngularJS

In my AngularJS classes, I often get asked, “How do I share data between the controllers in AngularJS?” On the Internet, there are many solutions suggested. However, I prefer to share data using the Shared Data Service method, and that’s what we’re going to explore in this post.

To start with, let’s suppose that we want to share a Product object between the controllers. Here I have created an AngularJS service named SharedDataService as shown in the snippet below:

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