Techsaga Corporations Front end Developer Interview Questions and Answers

Q1. Clone a Todo Application UI using ReactJS, Sass
Ans. 
Clone a Todo Application UI using ReactJS, Sass
• Create a new ReactJS project using create-react-app

• Design the UI using Sass and implement it in ReactJS

• Use state and props to manage the todo list

• Add functionality to add, delete and mark tasks as complete

• Implement local storage to persist data

• Test the application thoroughly
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Q2. Explain the order of specifity in CSS classes, elements, ids, etc
Ans. 
Explanation of CSS specificity hierarchy
• Inline styles have the highest specificity

• IDs have higher specificity than classes and elements

• Multiple selectors with the same specificity are resolved by the order in which they appear in the stylesheet

• The universal selector (*) has the lowest specificity
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This round was more focused on the problem solving. 2 coding questions were asked. The round was for an hour

Q1. How does Server-Side Rendering work?
Ans. 
Server-Side Rendering (SSR) is the process of rendering web pages on the server and sending the HTML to the client.
• SSR improves website performance and SEO by reducing load times and providing search engines with fully rendered pages.

• React provides a library called ReactDOMServer that allows developers to render React components on the server.

• SSR requires a server-side framework or library, such as Next.js or Gatsby, t...read more
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