Q381. How do you detect a mobile browser without regexp?
You can detect mobile browsers by simply running through a list of devices and checking if the useragent matches anything. This is an alternative solution for RegExp usag...
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Q382. How do you handle streaming and suspense in App Router?
The App Router has built-in support for streaming and React Suspense, allowing you to progressively render and stream UI to the client. ```jsx // app/page.js import { Sus...
Q383. How do you get the image width and height using JS?
You can programmatically get the image and check the dimensions(width and height) using JavaScript. ```javascript var img = new Image(); img.onload = function () { consol...
Q384. What is React Server Components (RSC) in App Router?
React Server Components (RSC) are a new React feature that allows components to be rendered on the server. In the App Router, components are Server Components by default....
Q385. How do you make synchronous HTTP request?
Browsers provide an XMLHttpRequest object which can be used to make synchronous HTTP requests from JavaScript. ```javascript function httpGet(theUrl) { var xmlHttpReq = n...
Q386. How do you handle error boundaries in App Router?
You can create error boundaries using the `error.js` file in a route segment. This file defines UI to render when an error is thrown within that segment. ```jsx // app/er...
Q387. How do you make asynchronous HTTP request?
Browsers provide an XMLHttpRequest object which can be used to make asynchronous HTTP requests from JavaScript by passing the 3rd parameter as true. ```javascript functio...
Q388. How do you differentiate between server and client components in Next.js?
In Next.js, components are Server Components by default. To differentiate and create Client Components, you need to add the `"use client"` directive at the top of the com...
Q389. How do you convert date to another timezone in javascript?
You can use the toLocaleString() method to convert dates in one timezone to another. For example, let's convert current date to British English timezone as below, ```java...
Q390. How do you handle internationalization (i18n) in Next.js with the App Router?
Next.js provides built-in support for internationalization (i18n) in the App Router. You can configure i18n settings in the `next.config.js` file. ```js // next.config.js...