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certainly! parallel routes in next.js allow you to render multiple routes at the same time, giving you the ability to create complex layouts and views without having to nest routes deeply. this feature is particularly useful for applications that require multiple data-fetching strategies or layouts to be displayed simultaneously.

what are parallel routes?

in next.js, parallel routes allow you to define routes that can be rendered in parallel rather than one after the other. this can be useful when you want to display multiple components or sections of your application that may have their own routing logic.

how to set up parallel routes

to get started with parallel routes in next.js, ensure that you are using the app router (available from next.js 13 and above). here's a simple example to demonstrate how to set up parallel routes.

example structure

let’s create a simple application that shows a sidebar and a main content area. we will use parallel routes to render both the sidebar and the main content simultaneously.

1. create a new next.js project

first, if you haven't already, create a new next.js project:



2. enable the app directory

make sure you are using the app directory feature. if you don't have an `app` directory, create it:



3. define parallel routes

in the `app` directory, you can define your parallel routes. let’s create a simple structure:



**layout.js**: this will define the overall layout of the application.
**sidebar/page.js**: this file will contain the sidebar component.
**main/page.js**: this file will contain the main content area.
**page.js**: this is the entry point of the app where we will render the parallel routes.

4. create the layout

create `layout.js` in the `app` directory:



5. create the sidebar component

create `sidebar/page.js`:



6. create the main content component

create `main/page.js`:



7. create the main page

finally, create the `page.js` file in the `app` directory to render the parall ...

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Next.js
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