Javascript pubsub

Javascript pubsub – Enpatika

Are listeners observers?

1 April 2022 Enpatika.com Genel

The object which is being watched is called the subject. The objects which are watching the state changes are called observers or listeners .

The observer pattern is a software design pattern in which an object, named the subject, maintains a list of its dependents , called observers, and notifies them automatically of any state changes, usually by calling one of their methods.