Lazy loading is a method in Angular that permits you to load JavaScript elements asynchronously when a unique route is activated. This can add some initial overall performance for the duration of the preliminary load, especially if you have many factors with complicated routing.

Data binding in Angular 6
The concept of lazy loading is everywhere now, you must know the basic meaning of this word: “lazy loading”. Once you have clarity on it, you can answer many of the questions related to this lazy loading, because in all the technologies in the end the meaning is the same.
BY Best Interview Question ON 10 Nov 2020