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Prodapt Reactjs Developer Interview Questions and Answers
Prodapt Reactjs Developer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Company Website and was interviewed in Nov 2023. There were 2 interview rounds.
(5 Questions)
- Q1. JavaScript callback?
- Q2. What is useState?
- Ans.
useState is a hook in React that allows functional components to have state.
useState is a built-in hook in React.
It allows functional components to have state.
It returns an array with two elements: the current state value and a function to update the state.
The initial state can be passed as an argument to useState.
The state can be of any data type, such as a string, number, boolean, or object.
Example: const [count, set
- Q3. What is closure in JavaScript?
- Ans.
Closure is a feature in JavaScript that allows a function to access variables from its outer scope even after the function has finished executing.
Closure is created when a function is defined inside another function.
The inner function has access to the variables and parameters of the outer function.
The inner function forms a closure with the outer function, preserving the state of the outer function's variables.
Closure...
- Q4. JavaScript promise?
- Q5. What are props in react?
- Ans.
Props are read-only properties that are passed from a parent component to a child component in React.
Props allow data to be passed between components in a unidirectional flow.
Props are immutable and cannot be modified by the child component.
Props can be used to customize the behavior or appearance of a component.
Props are accessed using the 'this.props' syntax in class components or as function arguments in functional
Skills evaluated in this interview
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Interview questions from similar companies
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Basic react interview question like lifecycle methods and about hooks
- Q2. Javascript interview questions like hoisting, closures, function currying and es6 features.
- Q3. Function to flatten and sort an array
(3 Questions)
- Q1. Basic scrum related questions
- Q2. Challenges faced
- Q3. Function to find the occurrences of the word in a string
Selected
(2 Questions)
- Q1. Basics of Javascript
- Q2. Basics of React
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.
They asked hacker rank test
(2 Questions)
- Q1. Routing concept
- Q2. React js coding question
Interview Preparation Tips
Basic React related questions
I applied via Naukri.com and was interviewed in Aug 2023. There was 1 interview round.
(1 Question)
- Q1. Basic reactjs Questions with some javascript coding snippets
I applied via Naukri.com
Interview Questionnaire
7 Questions
- Q1. Hoisting in js?
- Ans.
Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their scope.
Variables declared with var are hoisted to the top of their scope
Function declarations are hoisted before variables
Function expressions are not hoisted
Let and const declarations are not hoisted
- Q2. Promises and its working
- Ans.
Promises are a way to handle asynchronous operations in JavaScript.
Promises represent a value that may not be available yet.
They have three states: pending, fulfilled, and rejected.
Promises can be chained using .then() and .catch() methods.
They help avoid callback hell and make code more readable.
Example: new Promise((resolve, reject) => { ... }).then(result => { ... }).catch(error => { ... })
- Q3. Redux questions
- Q4. Asking coding problems and its answers, gives us code and asked to findout errors in code.
- Q5. ES6 features and its use where and why?
- Ans.
ES6 features are modern JavaScript syntax and features that make code more concise and readable.
Arrow functions for concise function syntax
Template literals for easier string interpolation
Let and const for block-scoped variables
Destructuring for easily extracting values from objects and arrays
Spread and rest operators for easily manipulating arrays and objects
Classes for object-oriented programming
Modules for better co
- Q6. Asked to write Regular Expressions
- Q7. Gives 1 coding problem to solve in javascript.
- Ans.
Given an array of integers, return the sum of all even numbers.
Use Array.reduce() method to iterate over the array and sum the even numbers.
Use the modulo operator (%) to check if a number is even.
Interview Preparation Tips
Skills evaluated in this interview
Selected
I was interviewed in Jan 2025.
Test will be in hacker rank there would be a difficulty level between easy to medium
(1 Question)
- Q1. Question will be from data structure and easy to medium level of the programming laanguage question
(1 Question)
- Q1. This is just to check your english ability
syed gajini ahmed
I applied via LinkedIn and was interviewed in Oct 2024. There was 1 interview round.
(3 Questions)
- Q1. Spring Security Implementation
- Q2. Api design Implementation
- Ans.
API design implementation involves creating a well-structured and user-friendly interface for interacting with software applications.
Understand the requirements and use cases for the API
Design clear and consistent endpoints with proper documentation
Implement secure authentication and authorization mechanisms
Follow RESTful principles for creating APIs
Consider scalability and performance optimizations
- Q3. Stream API coding question
Selected
General aptitude online test
(2 Questions)
- Q1. OOPS basic concepts with eg
- Q2. C#,Sql,MVC concepts
(2 Questions)
- Q1. Project experience
- Ans.
I have experience working on various projects including web development, mobile app development, and database management.
Developed a web application using React.js and Node.js for a client in the e-commerce industry
Created a mobile app using Swift for a healthcare startup to track patient data
Managed a MySQL database for a financial services company to store and retrieve customer information
- Q2. Coding related questions asked
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Prodapt Reactjs Developer Interview Process
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