layout.js File
A layout.js file is a component that is shared between multiple page.js (UI). It allow you to create common shared structure for multiple pages. This file is not optional your Application should must have a one layout.js file in a root directory. Root directory layout file is used as a container for whole application. Root level layout files contains main html and body structure of an application and inside body tag you have to put all children components.
For example, You have to create a navigation bar and that should be applied to every page in a application, So you can create that navigation in a layout.js file.
Next JS 13 App Router
Routing refers to the process of determining how an application responds to a client request to a particular endpoint or URL. When a user clicks a link, enters a URL in the browser, or performs some action that changes the current URL, the routing mechanism decides which content or component to display on the page.
In this article, we will learn about Next.js 13 App router. Routing is an important concept in building single-page applications (SPAs) and dynamic web applications where navigating between pages updates the content on the page without a full reload, providing a smoother and more seamless user experience.
Table of Content
- Next.js 13 App Router Usage
- page.js File & Nested Routing
- layout.js File
- error.js File
- not-found.js
- loading.js
- Steps to use App Router in Next.js 13
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