Having an AngularJS app in 2018 probably means one of two things: either the app has been abandoned and isn’t really used or you’ve been thinking about migrating to another framework, but the time and costs that would entail have been prohibitive enough to have prevented you from drafting a roadmap for moving forward.
With the growing need for robust and interactive web interfaces, many developers have started embracing the reactive programming paradigm.
Before we begin implementing our own reactive engine, let’s quickly explain what reactive programming actually is. Wikipedia gives us a classic example of a reactive interface implementation – namely a spreadsheet. Defining a formula such as
=A1+B1 would update the cell whenever either
B1 change. Such a formula can be considered a computed value.