Q401. Can you give an example of when you really need a semicolon?
It is recommended to use semicolons after every statement in JavaScript. For example, in the below case (that is an IIFE = Immediately Invoked Function Expression) it thr...
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Q402. How to use middleware in Next.js API routes?
In Next.js, you can use middleware to run code before your API route handlers. Middleware can be used for tasks like authentication, logging, or modifying requests and re...
Q403. What is the freeze method?
The **`freeze()`** method is used to freeze an object. Freezing an object does not allow adding new properties to an object, prevents removing, and prevents changing the ...
Q404. How to keep Next.js API routes modular and organized?
To keep Next.js API routes modular and organized, you can structure your API routes in a way that groups related functionality together. Here are some best practices: - *...
Q405. What is the purpose of the freeze method?
Below are the main benefits of using freeze method, 1. It is used for freezing objects and arrays. 2. It is used to make an object immutable.
Q406. RTK Query with Next.js App Router?
RTK Query is a powerful data fetching and caching tool built on top of Redux Toolkit. You can use RTK Query in a Next.js App Router application to manage server state and...
Q407. Why do I need to use the freeze method?
In the Object-oriented paradigm, an existing API contains certain elements that are not intended to be extended, modified, or re-used outside of their current context. He...
Q408. Redux Toolkit with Next.js App Router?
Redux Toolkit (RTK) can be seamlessly integrated with Next.js App Router to manage global state in your application. Here's how to set up Redux Toolkit in a Next.js App R...
Q409. How do you detect a browser language preference?
You can use the navigator object to detect a browser language preference as below, ```javascript var language = (navigator.languages && navigator.languages[0]) || // Chro...
Q410. How do you read and set cookies in the App Router?
On the server (server components or route handlers) use `cookies()` from `next/headers` to read cookies. To set cookies from a route handler, return a `Response` with a `...