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Grappus Front end Developer Interview Questions and Answers
Grappus Front end Developer Interview Experiences
1 interview found
I applied via LinkedIn and was interviewed in Dec 2020. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Javascript basics
- Q2. React basics - useRef, useEffect, Component Lifecycle , Context API etc.
- Q3. Basic DS Array - Objects - Divide & Conquer based problems.
Interview questions from similar companies
Navin Kumar
I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
(5 Questions)
- Q1. Discussion about my previous project
- Q2. Question on html, css, javascript & react
- Q3. Explain about promises
- Ans.
Promises are objects representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
They can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained using .then() to handle success and .catch() to handle errors.
Example: const myPromise = new Promise((resolve, reject) => { ... });
- Q4. Use state, context api
- Q5. Box modelling in css, css pre processors
- Ans.
Box model in CSS refers to the way elements are rendered in a web page. CSS preprocessors like SASS or LESS help streamline CSS development.
Box model in CSS includes content, padding, border, and margin.
CSS preprocessors like SASS or LESS allow for variables, nesting, and mixins to be used in CSS.
Example: box-sizing: border-box; in CSS changes the box model to include padding and border in the element's total width and
Interview Preparation Tips
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Mostly js questions, not so many of angular or react.
- Q2. Like fizbuzz or things like that.
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
(2 Questions)
- Q1. Angular life cycle, angular loading and some scenarios about authentication
- Q2. Javascript out put based questions based on it's execution
Front end Developer Interview Questions & Answers
Hewlett Packard Enterprise
Anonymous
posted on 21 Nov 2024
I applied via campus placement at Dharampeth Kala-Vanijya and MP Deo Smruti Vidhyan Mahavidyalaya, Nagpur and was interviewed in Oct 2024. There was 1 interview round.
(2 Questions)
- Q1. Construct stack using queues
- Ans.
Implement a stack using two queues
Use two queues to simulate stack operations
Push operation: Enqueue the element to queue1
Pop operation: Dequeue all elements from queue1 to queue2, dequeue the last element from queue1, then swap the queues
Top operation: Dequeue all elements from queue1 to queue2, dequeue the last element from queue1, store it, swap the queues, enqueue the stored element back to queue1, and return it
Exa...
- Q2. M coloring graph
Interview Preparation Tips
- DSA
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
(5 Questions)
- Q1. Caching Strategy
- Q2. What is micro Frontend architecture
- Ans.
Micro Frontend architecture is an approach to building front-end applications by breaking them down into smaller, independently deployable units.
Allows different teams to work on separate parts of the application
Each micro frontend can be developed using different technologies
Enables incremental upgrades and updates without affecting the entire application
Can improve performance by loading only the necessary components
...
- Q3. Pure and impure pipes in angular
- Ans.
Pure pipes in Angular are stateless and do not change the input data, while impure pipes can have side effects and change the input data.
Pure pipes are used for simple transformations like formatting dates or numbers.
Impure pipes are used for more complex transformations that require state or side effects.
Pure pipes are faster and more efficient as they only run when a pure change to the input data is detected.
Impure p...
- Q4. How to make singleton services multiton
- Ans.
Singleton services can be made multiton by maintaining a map of instances with unique keys.
Create a map to store instances with unique keys
Use a factory method to retrieve instances based on keys
Ensure that only one instance is created per key
- Q5. What is dependency injection
- Ans.
Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.
Allows for easier testing by injecting mock dependencies
Promotes loose coupling between components
Improves code reusability and maintainability
Examples: AngularJS, Spring Framework
Interview Preparation Tips
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
(4 Questions)
- Q1. What is bridge? What is the new architecture?
- Ans.
Bridge is a structural design pattern that decouples an abstraction from its implementation. The new architecture refers to modern design patterns and technologies used in software development.
Bridge pattern allows the client code to work with different implementations of an interface independently.
The new architecture in front end development may include concepts like component-based architecture, state management lib...
- Q2. How will you optimize a react native app
- Ans.
Optimizing a React Native app involves reducing bundle size, improving performance, and enhancing user experience.
Use code splitting to reduce initial load time
Optimize images and assets for smaller file sizes
Implement lazy loading for components that are not immediately visible
Minimize the use of third-party libraries and only include necessary dependencies
Utilize performance monitoring tools like React Native Perform
- Q3. What is context API
- Ans.
Context API is a feature in React that allows sharing data between components without having to pass props through every level of the component tree.
Context API provides a way to pass data through the component tree without having to pass props down manually at every level.
It is useful for sharing global data such as themes, user authentication, or language preferences.
Context API consists of three main parts: Provider...
- Q4. What is hoisting
- Ans.
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
Variable declarations are hoisted to the top of their scope, but not their initializations.
Function declarations are fully hoisted, including their definitions.
Hoisting can lead to unexpected behavior if not understood properly.
Skills evaluated in this interview
Selected
(2 Questions)
- Q1. React js Basic Question
- Q2. Coding Question Giving API to call and show in UI
I applied via Naukri.com and was interviewed in Jul 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Asked about basic javascript and react questions
- Q2. Give some code and asked result
Front end Developer Interview Questions & Answers
Hexaware Technologies
Anonymous
posted on 18 Feb 2024
I applied via LinkedIn and was interviewed before Feb 2023. There were 3 interview rounds.
It was easy not that hard
Coding question were on medium level
(1 Question)
- Q1. Be prepared for project question
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