Q281. How do you check whether a string contains a substring?
There are 3 possible ways to check whether a string contains a substring or not, 1. **Using includes:** ES6 provided `String.prototype.includes` method to test a string c...
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Q282. How do you handle static assets in Next.js with the Pages Router?
By placing static assets in the `public` directory, which is served at the root URL. ``` public/ ├── images/ │ └── logo.png └── favicon.ico ``` You can access these files...
Q283. How do you validate an email in javascript?
You can validate an email in javascript using regular expressions. It is recommended to do validations on the server side instead of the client side. Because the javascri...
Q284. How cache works in Next.js with the Pages Router?
Next.js uses a built-in caching mechanism for static assets and API routes. You can also implement custom caching strategies using HTTP headers or libraries like `next-ca...
Q285. How do you get the current url with javascript?
You can use `window.location.href` expression to get the current url path and you can use the same expression for updating the URL too. You can also use `document.URL` fo...
Q286. Cache revalidation in Next.js with the Pages Router?
Cache revalidation can be handled using the `revalidate` option in `getStaticProps` or by setting appropriate HTTP headers in API routes. - **Using `revalidate`**: Automa...
Q287. What are the various url properties of location object?
The below `Location` object properties can be used to access URL components of the page, 1. href - The entire URL 2. protocol - The protocol of the URL 3. host - The host...
Q288. Optimizing images in Next.js with the Pages Router?
By using the `next/image` component, which automatically optimizes images for performance. ```jsx import Image from "next/image"; export default function Home() { return ...
Q289. How do you get query string values in javascript?
You can use URLSearchParams to get query string values in javascript. Let's see an example to get the client code value from URL query string, ```javascript const urlPara...
Q290. When to choose Pages Router over App Router in Next.js?
You might choose the Pages Router over the App Router in the following scenarios: - When you need a simple file-based routing system without complex nested routes. - When...