Brightly Software React Js Frontend Developer Interview Questions and Answers

Q1. Interviewer was not letting complete my response
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Q2. If i was giving correct response, then he was interrupting and changing the question.
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Q1. Personal information
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Q2. Qualifications
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General aptitude and reasoning skills.

Building a user interface for a food point of sale (POS) application.

Q1. Salary discussion
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Q1. What is prop drilling
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Prop drilling is the process of passing props down multiple levels of nested components in React.
• Prop drilling occurs when a prop needs to be passed through multiple levels of components that do not need the prop themselves.

• It can lead to unnecessary passing of props through intermediate components, making the code harder to maintain.

• To avoid prop drilling, you can use Context API, Redux, or React's useContext and useR...read more
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Q2. What is hoisting
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Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during the compilation phase.
• Variable declarations are hoisted to the top of their scope, but not their assignments.

• Function declarations are fully hoisted, meaning they can be called before they are declared.

• Hoisting can lead to unexpected behavior if not understood properly.
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Q1. Explain useContext hook
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useContext hook allows components to access data from a context without passing props down manually
• useContext hook is used to consume a context created by React.createContext

• It takes the context object as an argument and returns the current context value for that context

• It allows components to subscribe to context changes and re-render when the context value changes
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Q1. Dom manipulation and React hooks
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Q2. Use call back in depth
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Callbacks are functions passed as arguments to another function to be executed later
• Callbacks are commonly used in event handling, asynchronous programming, and functional programming

• Callbacks can be synchronous or asynchronous

• Example: passing a callback function to a setTimeout() function
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Q3. Promises based coding question
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Q1. All javascript core concepts and react hooks
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Find the max values, promises, async await

Based on the latest react version.

Not remember now what they had asked.

Q1. Tell me about yourself?
Ans. 
I am a passionate React Js Frontend Developer with experience in building user-friendly and responsive web applications.
• Experienced in developing web applications using React Js

• Proficient in HTML, CSS, and JavaScript

• Familiar with state management tools like Redux

• Strong understanding of responsive design principles

• Ability to work collaboratively in a team environment
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Q2. What is your expectation ctc ?
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My expectation for CTC is competitive based on my experience and skills.
• I am looking for a salary that reflects my expertise in React Js development.

• I expect a compensation package that aligns with industry standards.

• I am open to negotiation based on the overall benefits offered by the company.
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2-3 coding test based on JavaScript.