What is the purpose of PouchDB's 'changes' API?

A) To retrieve a specific document by ID

B) To listen for changes to the database

C) To retrieve all documents in the database

D) To delete a document from the database

Correct Answer : To listen for changes to the database

Explanation : PouchDB’s “changes” API allows you to listen for changes to the database in real-time, such as when a new document is added or an existing document is updated or deleted.