What are the differences between lazy loading and eager loading?

What are the differences between lazy loading and eager loading?

Lazy loading loads data only when it's needed, while eager loading loads all data upfront. This can affect performance.

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

Sure! Use lazy loading in web applications where you want to improve initial load time by loading images only as they come into view.

And when should I use eager loading?

Eager loading is best when you know you'll need all the data upfront, like when displaying a list of items with their details.

What are the performance implications of each?

Lazy loading can reduce initial load time but may lead to more requests later. Eager loading can increase initial load time but reduces the number of requests.

Are there any downsides to using lazy loading?

Yes, lazy loading can lead to a poor user experience if not implemented correctly, as users may experience delays when content loads.