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Xalt Analytics Javascript Developer Interview Questions and Answers
Xalt Analytics Javascript Developer Interview Experiences
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Resioning data interpretation
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Devi Pushpa
(2 Questions)
- Q1. What is Promise in JS?
- Ans.
Promise in JS is an object 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() method to handle success and failure cases.
Example: new Promise((resolve, reject) => { ... }).then(result => { ... }).catch(error => { ... });
- Q2. What is Call back?
- Ans.
A callback is a function passed as an argument to another function to be executed later.
Callback functions are commonly used in asynchronous programming to handle responses or events.
Callbacks can be synchronous or asynchronous.
Example: setTimeout function in JavaScript takes a callback function as an argument to be executed after a specified time.
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
(1 Question)
- Q1. 1. Is .map and .filter pure functions ? 2. What should not be blocked in Node.js ? 3. Is For.. in.. loop for iterating through object or arrays ?
- Ans.
1. Yes, .map and .filter are pure functions. 2. Network calls should not be blocked in Node.js. 3. For..in.. loop is for iterating through objects.
1. Yes, .map and .filter are pure functions as they do not modify the original array and always return a new array with the desired transformations or filtered elements.
2. Network calls should not be blocked in Node.js as it can lead to performance issues and hinder the even...
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Skills evaluated in this interview
I applied via Job Portal and was interviewed in Jun 2023. There were 3 interview rounds.
Exam used to determine an individual's skill or propensity to succeed in a given activity
(2 Questions)
- Q1. An interview to assess your technical ability for the role, and the depth and breadth of your knowledge in your chosen field.
- Q2. Coding, Data analysis, etc. Technical interviews differentiate from general interviews and focus solely on the technical skills of the candidates.
Selected
I applied via Company Website and was interviewed in Nov 2023. There were 3 interview rounds.
Yes, Aptitude test is so think and great full in my knowledge
The coding test is for HTML CSS for the frontend backend for the javascript
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- Javascript
- C
- Java
- C++
I applied via Company Website and was interviewed in Mar 2022. There were 2 interview rounds.
(1 Question)
- Q1. Why should we hire you?
- Ans.
I have a strong background in JavaScript development and a proven track record of delivering high-quality projects.
Extensive experience in JavaScript development
Strong problem-solving and analytical skills
Ability to work well in a team and collaborate effectively
Proven track record of delivering high-quality projects
Excellent communication and interpersonal skills
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I applied via Company Website and was interviewed in Apr 2022. There were 2 interview rounds.
Interview Preparation Tips
I applied via Company Website and was interviewed in Mar 2022. There were 2 interview rounds.
(1 Question)
- Q1. Why should we hire you?
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I applied via Approached by Company and was interviewed in Sep 2021. There were 3 interview rounds.
(5 Questions)
- Q1. Share details of your previous job.
- Ans.
I worked as a Javascript Developer at XYZ Company.
Developed and maintained web applications using Javascript, HTML, and CSS.
Collaborated with a team of developers to implement new features and fix bugs.
Optimized code for performance and scalability.
Worked on integrating APIs and third-party libraries.
Participated in code reviews and provided feedback to improve code quality.
- Q2. What are your strengths and weaknesses?
- Ans.
My strengths include problem-solving, attention to detail, and collaboration. My weaknesses include time management and public speaking.
Strengths: problem-solving, attention to detail, collaboration
Weaknesses: time management, public speaking
- Q3. Why are you looking for a change?
- Ans.
Looking for new challenges and growth opportunities in a dynamic and innovative environment.
Seeking a change to expand my skill set and work on more complex projects.
Interested in joining a company that values creativity and encourages learning.
Want to be part of a team that fosters collaboration and innovation.
Desire to work in a fast-paced and evolving industry.
Looking for a change to improve work-life balance and ex
- Q4. Where do you see yourself in 5 years?
- Ans.
In 5 years, I see myself as a senior Javascript developer, leading a team and working on complex projects.
Becoming a senior Javascript developer
Leading a team
Working on complex projects
- Q5. Tell me about yourself.
- Ans.
I am a passionate Javascript developer with experience in building web applications.
I have a strong understanding of core Javascript concepts and frameworks like React and Node.js.
I have worked on various projects, including e-commerce websites and interactive web applications.
I am skilled in writing clean and efficient code, and I enjoy solving complex problems.
I am constantly learning and keeping up with the latest t...
B.tech
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- Java
- Python
- ASP.Net
I applied via Naukri.com and was interviewed in May 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Basic questions like hoisting, event loop, promices
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