AngularJS Developer Question:

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According to AngularJS.org, “Data-binding in Angular apps is the automatic synchronization of data between the model and view components. The way that Angular implements data-binding lets you treat the model as the single-source-of-truth in your application. The view is a projection of the model at all times. When the model changes, the view reflects the change, and vice versa.”

There are two ways of data binding:

Data mining in classical template systems
Data binding in angular templates