MAP Systems Epub Developer Interview Questions and Answers

Q1. CLOSURE IN Javascript ?
Ans. 
Closure in JavaScript is a function that has access to its own scope, as well as the outer scope in which it was defined.
• A closure allows a function to access variables from its outer function even after the outer function has finished executing.

• Closures are commonly used in event handlers, callbacks, and in functional programming.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFun
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Q2. Class and ID difference
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Class is used to style multiple elements, while ID is used to style a single element.
• Class can be used multiple times in a document, while ID should be unique

• Class is denoted by a period (.), ID is denoted by a hash (#)

• Class can be applied to multiple elements, ID can only be applied to one element
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Q1. System Design question
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Q2. Leetcode medium question on backtracking
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Q1. They ask me about my previous job description details and education details
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Q2. About carrier goals
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Q3. About my responsibility in side the current company
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Q1. They ask me about core concept of react js and next js
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Q2. Ask me about core concepts of mongo Db and Node js
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Q1. They told me about company curriculum, goals and ethics
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Q1. What is debugging
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Debugging is the process of identifying and fixing errors or bugs in software code.
• Identifying and isolating issues in the code

• Using tools like breakpoints and print statements to track down bugs

• Fixing errors to ensure the code runs correctly

• Testing the code to verify that the bugs have been resolved
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Q2. How debugging can be achieved
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Debugging can be achieved by identifying and fixing errors in the code.
• Use debugging tools like breakpoints to pause the code execution and inspect variables

• Review the code logic and look for syntax errors or logical mistakes

• Utilize logging to track the flow of the program and identify issues

• Test the code with different inputs to reproduce and isolate the bugs

• Collaborate with team members to get fresh perspectives on t
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Q3. Tell me about Yourself
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Hard questions,its difficult to think and solve,

Very hard logical questions,which made hard to think logically

Given a pattern and we need to complete the pattern within 40mins, also allows completing this problem in any language ( c,c++, python, java).

Q1. Went through a technical interview, and was asked to solve some coding questions(4 - 5), and some technical stuff. It is one on one interview.
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Q2. Also, test our reasoning skills and explanation of an algorithm.
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Q1. Another technical round.
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Q1. This is the final phase of the recruitment
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Q2. Tell me about your family, friends, and intermediate.
Ans. 
I have a close-knit family and a supportive group of friends. I also have intermediate skills in various programming languages.
• My family is very important to me and we have a strong bond.

• I have a few close friends who have always been there for me.

• In terms of programming, I have intermediate skills in languages like Java, Python, and JavaScript.
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Q1. Tell me about yourself
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I am a front end developer with 5 years of experience in creating user-friendly and visually appealing websites.
• 5 years of experience in front end development

• Proficient in HTML, CSS, and JavaScript

• Strong understanding of responsive design principles

• Experience with front end frameworks like React and Angular

• Ability to collaborate with designers and backend developers to implement website features

• Portfolio showcasing pre
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Q2. Why do you want to join Webdew
Ans. 
I want to join Webdew because of their reputation for innovative web development and their focus on creating user-friendly experiences.
• Webdew has a strong track record of delivering cutting-edge web development projects.

• I am impressed by their portfolio of user-friendly websites and applications.

• I believe joining Webdew will provide me with opportunities to learn and grow as a front-end developer.

• Their company culture ...read more
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Q3. What were your day-to-day responsibilities at your last job?
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As a front end developer, my day-to-day responsibilities at my last job included designing and developing user interfaces, collaborating with the design team, and ensuring cross-browser compatibility.
• Designing and developing user interfaces

• Collaborating with the design team

• Ensuring cross-browser compatibility
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Q1. How does database indexing improve query perfoemance?
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Q2. It reduces search time by optimizing lookups.
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