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Unibic Foods Interview Questions and Answers

Updated 15 Dec 2024

Q1. What is arrow function

Ans.

Arrow functions are a concise way to write functions in JavaScript.

  • Arrow functions are anonymous functions defined using the '=>' syntax.

  • They have a shorter syntax compared to traditional function expressions.

  • Arrow functions do not have their own 'this' keyword, instead they inherit it from the parent scope.

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Q2. Concept of Hoisting in Javascript

Ans.

Hoisting is a JavaScript behavior 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.

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Q3. Implementation of carousel

Ans.

Implementing a carousel for displaying multiple images or content in a rotating manner.

  • Use a library like Slick or Owl Carousel for easy implementation

  • Ensure images/content are responsive for different screen sizes

  • Add navigation arrows or dots for user interaction

  • Consider adding autoplay feature with customizable speed

  • Optimize performance by lazy loading images

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Q4. Design a Elevator system

Ans.

Design an Elevator system for efficient vertical transportation

  • Consider the number of floors in the building

  • Implement a scheduling algorithm to optimize elevator movement

  • Include safety features such as emergency stop button

  • Allow for both manual and automatic operation

  • Consider peak hours and traffic flow in the building

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Q5. Polyfill of Promise

Ans.

Polyfill of Promise is a code that adds Promise functionality to browsers that do not support it natively.

  • Polyfill is a piece of code that provides the technology that you expect the browser to provide natively.

  • Polyfill for Promise adds Promise functionality to browsers that do not support it, allowing developers to use Promises in their code.

  • Examples of Promise polyfills include 'es6-promise' and 'promise-polyfill'.

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Q6. System Design - Design Credit Card Fraud Detection System specifically for US Festival Season

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Q7. increase supply of airbnb

Ans.

Increase supply of Airbnb by expanding host network, improving listing visibility, and offering incentives.

  • Expand host network by reaching out to potential hosts through targeted marketing campaigns.

  • Improve listing visibility by optimizing search algorithms and featuring top-rated properties.

  • Offer incentives such as discounts for new hosts or bonus rewards for high occupancy rates.

  • Collaborate with property management companies to onboard multiple listings at once.

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Q8. Second favorite product

Ans.

My second favorite product is our new line of eco-friendly packaging materials.

  • I appreciate the sustainability aspect of the product

  • The design and functionality of the packaging materials are top-notch

  • Customers have been giving positive feedback on the new line

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Interview experience
3.8
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