Webllisto Technologies Interview Questions and Answers

It's a group discussion of 10 min between all student who applies

Q1. What is Virtual Dom
Ans. 
Virtual DOM is a lightweight copy of the actual DOM that React uses to improve performance by minimizing direct manipulation of the actual DOM.
• Virtual DOM is a concept where a lightweight copy of the actual DOM is created and maintained by React.

• React uses the Virtual DOM to perform efficient updates to the actual DOM by comparing the Virtual DOM with the previous state of the Virtual DOM.

• Changes are then batched and a...read more
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Q2. What is Server side rendering and client side rendering
Ans. 
Server side rendering is rendering the web page on the server and sending the fully rendered page to the client, while client side rendering is rendering the web page on the client's browser using JavaScript.
• Server side rendering improves SEO as search engines can easily crawl the fully rendered page.

• Client side rendering provides faster initial page load times as only the necessary data is fetched from the server.

• Serv...read more
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