What is lazy loading and how is it implemented in different frameworks?

What is lazy loading and why is it important in web development?

Lazy loading is a design pattern that postpones loading non-essential resources at the point of page load. It's important because it improves performance and reduces initial load time.

How do I implement lazy loading in React?

In React, you can use the React.lazy() function along with Suspense to implement lazy loading for components.

What about lazy loading in Angular?

In Angular, you can implement lazy loading by using the Angular Router to load feature modules only when they are needed.

Can you give me an example of lazy loading in Vue?

In Vue, you can use dynamic imports with the import() function in your route definitions to achieve lazy loading.