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Interview Kickstart Front end Developer Interview Questions and Answers
Interview Kickstart Front end Developer Interview Experiences
1 interview found
I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Difference between useMemo and useCallback ?
- Ans.
useMemo is used to memoize a value, while useCallback is used to memoize a function.
useMemo is used to memoize a computed value and recompute it only when its dependencies change.
useCallback is used to memoize a callback function and prevent unnecessary re-renders.
Example: useMemo can be used to memoize the result of a complex computation, while useCallback can be used to memoize an event handler function.
- Q2. How we do error handling in js ?
- Ans.
Error handling in JavaScript involves using try-catch blocks, throwing errors, and using error objects.
Use try-catch blocks to catch errors and handle them gracefully
Throw errors using the throw keyword to indicate when something goes wrong
Use error objects like Error, SyntaxError, TypeError, etc. to provide more information about the error
Handle asynchronous errors using promises and the .catch() method
- Q3. What is Promises ? Write a Polyfill of Promise.all()
- Ans.
Promises are objects representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
Promise.all() takes an array of promises and returns a single promise that resolves when all of the input promises have resolved.
A polyfill for Promise.all() can be implemented using a combination of Promise and Array.prototype.reduce().
Frontend assignment make the CRUD application using of reactj.s
Interview Preparation Tips
- Reactjs
- Javascript
- NextJs
- HTML
- CSS
Skills evaluated in this interview
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Front end Developer Interview Questions & Answers
Adaan Digital Solution
Anonymous
posted on 28 Oct 2021
I applied via Naukri.com and was interviewed before Oct 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Basic question of css, like position absolute and relative display block and inline block, no question were ask from react learn basic about jquery and js
Interview Preparation Tips
Front end Developer Interview Questions & Answers
BPK Tech Services India
Anonymous
posted on 20 Apr 2021
I applied via Naukri.com and was interviewed before Apr 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. PROJECT CYCLE ,MECHANISM ,BASIC FUNDAMEMTALS RELATED TO ANGULAR ,J SCRIPT,LIVE CODE TESTS
Interview Preparation Tips
Front end Developer Interview Questions & Answers
Webxinfinity IT Solutions
Abhishek Jangid
posted on 28 Sep 2022
I applied via Walk-in and was interviewed before Sep 2021. There were 3 interview rounds.
They assignment me a coding task! After completion I have selected
(2 Questions)
- Q1. Basic KT about company and about salary.
- Q2. How soon you start work with us
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. JQuery, javascript
Saumil Joshi
I applied via Newspaper Ad and was interviewed before Feb 2021. There were 2 interview rounds.
(6 Questions)
- Q1. What are your salary expectations?
- Ans.
Salary expectations depend on experience, skills, and market rates, typically ranging from $70,000 to $120,000 for front-end developers.
Experience Level: Junior developers may expect $70,000, while senior developers can command $120,000 or more based on their expertise.
Location Impact: Salaries vary by region; for instance, developers in tech hubs like San Francisco often earn higher salaries due to cost of living.
Skil...
- Q2. Why should we hire you?
- Ans.
I bring a strong blend of technical skills, creativity, and a passion for user-centric design that makes me an ideal candidate.
Proven Experience: I have over 3 years of experience in front-end development, having successfully delivered multiple projects using React and Angular.
Strong Problem-Solving Skills: I enjoy tackling complex challenges, such as optimizing load times for a previous e-commerce site, which improved...
- Q3. Where do you see yourself in 5 years?
- Ans.
In five years, I envision myself as a lead front-end developer, mentoring others and driving innovative projects in a dynamic team.
Leadership Role: I aim to take on a leadership position, guiding junior developers and sharing best practices to enhance team performance.
Mentorship: I plan to mentor new developers, helping them grow their skills and navigate challenges in front-end development.
Innovative Projects: I aspir...
- Q4. What are your strengths and weaknesses?
- Ans.
Identifying strengths and weaknesses helps in personal growth and team dynamics, fostering a productive work environment.
Strength: Strong problem-solving skills, demonstrated by successfully debugging complex issues in previous projects, leading to improved application performance.
Strength: Excellent communication abilities, which have facilitated effective collaboration with cross-functional teams, ensuring project al...
- Q5. Tell me about yourself.
- Q6. Your technical skills
Interview Preparation Tips
- React.Js
- Data Science
- Machine Learning
- Artificial Intelligence
I applied via Company Website and was interviewed in May 2021. There was 1 interview round.
Interview Questionnaire
4 Questions
- Q1. Tell me about yourself.
- Ans.
I am a passionate Front End Developer with a strong background in JavaScript, HTML, CSS, and modern frameworks like React.
Proficient in JavaScript: I have built dynamic web applications using JavaScript, enhancing user experience with interactive features.
Experience with React: Developed several projects using React, including a task management app that utilizes hooks for state management.
Responsive Design: I prioritiz...
- Q2. What projects I have done till now?
- Ans.
I have completed various projects, including web applications and responsive designs, showcasing my front-end development skills.
E-commerce Website: Developed a fully functional e-commerce site using React and Redux, implementing features like product filtering and user authentication.
Portfolio Site: Created a personal portfolio website using HTML, CSS, and JavaScript, highlighting my projects and skills with a respons...
- Q3. What is my technical skills?
- Ans.
I possess a strong foundation in HTML, CSS, JavaScript, and modern frameworks, enabling me to create responsive and user-friendly interfaces.
Proficient in HTML5 and CSS3 for structuring and styling web pages.
Experienced with JavaScript and ES6 features for dynamic content manipulation.
Familiar with frameworks like React and Vue.js for building interactive UIs.
Knowledge of responsive design principles using frameworks l...
- Q4. What is my strength?
- Ans.
As a Front End Developer, my strengths include strong problem-solving skills, attention to detail, and proficiency in modern frameworks.
Strong Problem-Solving Skills: I excel at breaking down complex problems into manageable tasks, as demonstrated when I optimized a slow-loading web application by identifying and fixing bottlenecks.
Attention to Detail: I have a keen eye for design and functionality, ensuring that the u...
Interview Preparation Tips
Front end Developer Interview Questions & Answers
Samcom Technobrains
Anonymous
posted on 15 Jul 2020
I appeared for an interview in Jun 2020.
Interview Questionnaire
2 Questions
- Q1. First Round was technical round
- Q2. Next Round was two practical assignments
Interview Preparation Tips
I cleared 1st technical round.
Next I was given two assignments, and I completed both of them within the given time.
Each and every step specified in the assignment was covered. the interviewer also went through the running code at the end.
After that HR told me to wait for the management to take a decision.
After waiting for 2 days, I approached the HR for feedback and she told me that my practical was very good as well my interview. Still they couldn't proceed, and the reason behind it was very vague and I still don't understand it.
I think the issue was also kind of with my CTC and notice period.
My advice to the company would be:
Please see if you are absolutely fine with CTC expectation and notice period before taking all the technical round and practicals.
If you say that the interview and practicals were good, at least the management should drop a mail with the feedback saying exactly what went wrong. You can't just say everything went well but we cannot proceed ahead with you.
I applied via Walk-in and was interviewed before May 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. All the questions related to javascrpit and reactjs
Interview Preparation Tips
I appeared for an interview in Jan 2017.
Interview Questionnaire
2 Questions
- Q1. Basic JavaScript Questions Object Oriented JavaScript and Basic Algorithm Concepts
- Q2. JavaScript (ECMA6, Arrow function , Map, Reduce, Parsing array of Object) , Css3(Less and Saas), HTML5(Api's and New Elements), Architecture overview of project
Interview Preparation Tips
Experience: Telephonic Discussion with Team member. Interactive discussion lost for 20 min. Just to check your Basics and Problem solving Skills.
Round: Technical Interview
Experience: Mixed of F2F Discussion and System round. Autocomplete text box which loads value from Server. Each key-press it should make a http call and also matched values should be filtered from already received list.
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