Q231. What is the purpose of void 0?
Void(0) is used to prevent the page from refreshing. This will be helpful to eliminate the unwanted side-effect, because it will return the undefined primitive value. It ...
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Q232. What is the Pages Router in Next.js?
The Pages Router is a file-based routing system in Next.js that automatically creates routes based on the file structure inside the `pages` directory.
Q233. Is JavaScript a compiled or interpreted language?
JavaScript is an interpreted language, not a compiled language. An interpreter in the browser reads over the JavaScript code, interprets each line, and runs it. Nowadays ...
Q234. How do you create a route in the Pages Router?
In Next.js pages router, you create routes by adding files to the `pages` directory: - `pages/index.js` - the homepage (/) - `pages/about.js` - the about page (/about) - ...
Q235. Is JavaScript a case-sensitive language?
Yes, JavaScript is a case sensitive language. The language keywords, variables, function & object names, and any other identifiers must always be typed with a consistent ...
Q236. How do you create a dynamic route in Next.js?
In the pages directory, you can add bracket syntax to create dynamic routes: ```jsx pages/posts/[id].js → /posts/1, /posts/2, etc. pages/[username]/settings.js → /foo/set...
Q237. Is there any relation between Java and JavaScript?
No, they are entirely two different programming languages and have nothing to do with each other. But both of them are Object Oriented Programming languages and like many...
Q238. What is catch all segment in Next.js?
A catch-all segment allows you to match multiple segments in a dynamic route. It is defined using `[[...param]]` syntax. This allows you to create routes that can match m...
Q239. What are events?
Events are "things" that happen to HTML elements. When JavaScript is used in HTML pages, JavaScript can `react` on these events. Some of the examples of HTML events are, ...
Q240. What are the core principles of Redux?
Redux follows three fundamental principles: 1. **Single source of truth:** The state of your whole application is stored in an object tree within a single store. The sing...