Incedo Front end Developer Interview Questions and Answers

Hacker Rank Online Written Test

Topics covered DSA and Javascript

Q1. Display a list of items using Pagination concept in React using any online coding editor.
Ans. 
Display a list of items using Pagination concept in React
• Create a list of items to display

• Implement pagination logic to display a limited number of items per page

• Add navigation buttons to switch between pages
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Q2. Check if pair sum exists in the array (Two Sum)?
Ans. 
Check if pair sum exists in the array using a hash map.
• Use a hash map to store the difference between the target sum and each element in the array.

• Iterate through the array and check if the current element exists in the hash map.

• Return true if a pair sum exists, otherwise return false.
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Q3. React LifeCycle?
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Q4. How do you improve the performance of a website?
Ans. 
Improving website performance involves optimizing code, reducing server requests, using caching, and optimizing images.
• Optimize code by minifying CSS, JavaScript, and HTML

• Reduce server requests by combining files and using asynchronous loading

• Utilize caching techniques like browser caching and server-side caching

• Optimize images by resizing, compressing, and using modern image formats like WebP
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Q5. What is NextJS?
Ans. 
NextJS is a React framework that allows for server-side rendering and static site generation.
• NextJS is built on top of React, providing features like server-side rendering and static site generation.

• It simplifies the process of building React applications by handling routing, code splitting, and more out of the box.

• NextJS also supports API routes for serverless functions and data fetching.

• It offers features like automa...read more
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Q1. Prev job exp details
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Q1. Basic JS concepts and programming related to them
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Q2. HTML, CSS questions
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Q3. Framework knowledge
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Q1. Problem solving related to algorithms and data structures
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Q1. Angular basics regarding lifecycle hooks, rxjs, data bindingetc
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Q2. Coding to find the common characters comparing 3 strings
Ans. 
Finding common characters in 3 strings using coding
• Create a function that takes in 3 strings as input

• Iterate through each character of the first string and check if it exists in the other 2 strings

• Store the common characters in an array and return it
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Q1. How to truncate text using css only.
Ans. 
Use CSS property 'text-overflow: ellipsis' to truncate text.
• Set 'white-space: nowrap' to prevent text from wrapping

• Set 'overflow: hidden' to hide any overflowing text

• Set 'text-overflow: ellipsis' to add ellipsis (...) at the end of the truncated text
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Q1. Create a statics one page website with responsive.
Ans. 
Create a responsive one page website with static content.
• Use HTML and CSS to create the structure and styling of the website.

• Make sure to use media queries for different screen sizes to ensure responsiveness.

• Include a navigation menu for easy access to different sections of the page.

• Utilize flexbox or grid layout for positioning elements on the page.

• Optimize images and other media for faster loading times.

• Test the webs...read more
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Q1. Negotiation about salary and joining related query and information.
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Q1. Javascript question
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Q1. Basic JS & React JS question
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Q1. Advance level of JS and React related question and coding skills test as well.
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Q1. What are your salary expectations?
Ans. 
I am open to discussing salary based on the responsibilities and requirements of the position.
• I am flexible and open to negotiation.

• I am looking for a fair and competitive salary.

• I am more interested in the overall compensation package rather than a specific number.

• I would like to be compensated based on my skills, experience, and the value I can bring to the company.
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