What is the difference between lazy loading and eager loading in JavaScript?

What is the difference between lazy loading and eager loading in JavaScript?

Lazy loading is a design pattern that delays the loading of resources until they are needed, while eager loading loads all resources upfront.

Can you give me an example of when to use lazy loading?

Sure! Lazy loading is great for images on a webpage. They only load when they come into the viewport, improving initial load time.

What are the benefits of using eager loading?

Eager loading can improve performance when you know all resources will be needed immediately, reducing the number of requests later.

Are there any downsides to lazy loading?

Yes, lazy loading can lead to a poor user experience if not implemented correctly, as users may see blank spaces while content loads.