HyScaler Front end Developer Interview Questions and Answers

Q1. Basic questions on JavaScript, React and HTML/CSS.
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Q2. Hoisting, Closures, Event Loop, Promises, Async/Await
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Q3. Semantic elements, block and inline elements, meta tag CSS box model, ways of adding CSS, CSS pre-processors
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Q4. React questions on component lifecycle, different hooks and thier use, fetching data and displaying it in a list.
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Q1. CSS Box-model definition
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CSS Box-model defines how elements are rendered in a webpage, including padding, border, and margin.
• Box-model consists of content, padding, border, and margin

• Content area is where text or images are displayed

• Padding is the space between content and border

• Border is the line around the content and padding

• Margin is the space outside the border
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Q2. Difference b/n flexbox and grid
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Flexbox is for one-dimensional layouts, grid is for two-dimensional layouts.
• Flexbox is best for arranging items in a single row or column.

• Grid is best for creating complex layouts with rows and columns.

• Flexbox is more suitable for smaller scale layouts, while grid is better for larger scale layouts.

• Flexbox is more flexible in terms of item order and sizing, while grid provides more control over the overall layout.

• Both
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It was easy not that hard

Coding question were on medium level

Q1. Be prepared for project question
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. Where do you see yourself in 5 years?
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Q7. What are your strengths and weaknesses?
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Q8. Tell me about yourself.
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Q9. Tell me about your questions
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1hr

Q1. About the ReactJS, Javascrirp,HTML5,CSS3 Questions
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Q1. Salary Discussion only
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Q1. What is AOT And JIT How angular different from react Route guard
Ans. 
AOT (Ahead-of-Time) and JIT (Just-in-Time) are compilation techniques used in Angular. Angular and React differ in their architecture and data binding approach. Route guards in Angular are used to control access to routes.
• AOT compilation in Angular converts TypeScript code into efficient JavaScript code during the build process, resulting in faster rendering and smaller bundle sizes.

• JIT compilation in Angular compiles ...read more
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Q2. How angular application build
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Angular applications are built using the Angular CLI, which provides a command-line interface for creating, building, and serving Angular projects.
• Angular applications are built using the Angular CLI (Command Line Interface)

• The Angular CLI provides commands for creating new projects, generating components, services, modules, etc.

• To build an Angular application, you can use the 'ng build' command which compiles the appl
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Q3. Project discussion
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Q1. Controlled and Un Controlled components
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Q2. Hooks in functional components
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Hooks are functions that let you use state and other React features in functional components.
• Hooks were introduced in React 16.8.

• useState() hook is used to add state to functional components.

• useEffect() hook is used for side effects in functional components.

• Custom hooks can be created to reuse logic across components.
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Developing features of Shopping Cart page like add to cart,remove from cart