Q311. How do you add a key value pair in javascript?
There are two possible solutions to add new properties to an object. Let's take a simple object to explain these solutions. ```javascript var object = { key1: value1, key...
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Q312. How to add credentials in Next.js app router?
To add credentials in Next.js app router, you can use the `next-auth` package with the Credentials provider. First, install it: ```bash npm install next-auth ``` Then, cr...
Q313. Is the !-- notation represents a special operator?
No,that's not a special operator. But it is a combination of 2 standard operators one after the other, 1. A logical not (!) 2. A prefix decrement (--) At first, the value...
Q314. What is use server in Next.js?
The `use server` directive is used to indicate that a function should be executed on the server side. It allows you to write server-side logic in a component or function ...
Q315. How do you assign default values to variables?
You can use the logical or operator `||` in an assignment expression to provide a default value. The syntax looks like as below, ```javascript var a = b || c; ``` As per ...
Q316. Difference between using & not using use server in Next.js?
**Using `use server`**: The function is executed on the server side, allowing access to server-side resources and APIs. It can be used to perform operations that require ...
Q317. How do you define multiline strings?
You can define multiline string literals using the '\n' character followed by line terminator('\'). ```javascript var str = "This is a \n very lengthy \n sentence!"; cons...
Q318. How do you handle Route Handlers in the Next.js App Router?
By creating files in the `app/api` directory, where each file corresponds to an API endpoint. ```jsx // app/api/hello/route.js export async function GET(request) { return...
Q319. What is an app shell model?
An application shell (or app shell) architecture is one way to build a Progressive Web App that reliably and instantly loads on your users' screens, similar to what you s...
Q320. How do middleware work in Next.js?
Middleware in Next.js allows you to run code before a request is completed. You can use it to modify the request or response, redirect users, or perform authentication ch...