Why Nested routes and child views in Vue? - Purpose & Use Cases

The Big Idea

Discover how nested routes make complex websites feel simple and fast!

The Scenario

Imagine building a website with many pages and subpages, like a store with categories and products. You try to show each page by manually changing the whole screen every time a user clicks a link.

The Problem

Manually changing the entire page for every click is slow and confusing. You have to repeat code for headers, menus, and footers on every page. It's easy to make mistakes and hard to keep the site organized.

The Solution

Nested routes and child views let you break your site into parts. You can load a main page and then show smaller parts inside it without reloading everything. This keeps your code clean and your site fast.

Before vs After

✗ Before

if (page === 'home') { showHome(); } else if (page === 'products') { showProducts(); } else if (page === 'products/shoes') { showShoes(); }

✓ After

<router-view> inside <router-view> to show main and child pages automatically

What It Enables

You can build complex websites with many levels of pages that load smoothly and share common parts easily.

Real Life Example

Think of an online store where the main page shows categories, and clicking a category shows products inside it without reloading the whole page.

Key Takeaways

Manual page changes cause repeated code and slow updates.

Nested routes let you organize pages inside pages.

Child views load parts inside main views for smooth navigation.