UI Developer

10+ UI Developer Interview Questions and Answers for Freshers

Updated 15 Oct 2024

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Q1. How can we reverse a string.. In js in one line

Ans.

The string can be reversed in one line using the split(), reverse(), and join() methods.

  • Use the split() method to convert the string into an array of characters

  • Use the reverse() method to reverse the order of the array elements

  • Use the join() method to convert the reversed array back into a string

Q2. bus booking system invantry rotes shedules buspar in the google map

Ans.

The question is unclear and lacks context.

  • Please provide more information about the bus booking system.

  • What is the purpose of the inventory and schedules?

  • How does the buspar integrate with Google Maps?

  • What specific tasks would a UI Developer be responsible for in this project?

Q3. How to detect a cycle in a linkedlist?

Ans.

To detect a cycle in a linked list, use Floyd's Tortoise and Hare algorithm.

  • Initialize two pointers, slow and fast, at the head of the linked list.

  • Move slow pointer by one step and fast pointer by two steps. If they meet at any point, there is a cycle.

  • If fast pointer reaches the end of the list without meeting slow pointer, there is no cycle.

Q4. Write a program to get sum of array

Ans.

Program to calculate the sum of an array

  • Iterate through the array and add each element to a running total

  • Use a loop or a built-in array method to calculate the sum

  • Handle edge cases like empty arrays or non-numeric elements

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Q5. Write a program to add two array

Ans.

Program to add two arrays of strings

  • Create two arrays of strings

  • Loop through both arrays and add corresponding elements

  • Store the result in a new array

Q6. Write a program to reverse a sentence

Ans.

Program to reverse a sentence using array of strings

  • Split the sentence into an array of words

  • Loop through the array and reverse the order of the words

  • Join the reversed array into a sentence

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Q7. Javascript functions ES6 vs prev ones

Ans.

ES6 introduced arrow functions, default parameters, rest parameters, spread syntax, and more.

  • Arrow functions provide a more concise syntax for writing functions.

  • Default parameters allow you to specify default values for function parameters.

  • Rest parameters allow you to pass an indefinite number of arguments to a function as an array.

  • Spread syntax allows you to expand an array into individual elements when calling a function.

  • ES6 also introduced template literals for string inte...read more

Q8. To design a responsive website

Ans.

To design a responsive website

  • Use media queries to adjust the layout based on screen size

  • Implement a fluid grid system to ensure content adapts to different devices

  • Optimize images and other media for faster loading on mobile devices

  • Consider touch-friendly navigation and interactions

  • Test the website on various devices and screen sizes to ensure responsiveness

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Q9. Experience with WordPress websites

Ans.

I have extensive experience working with WordPress websites, including custom theme development and plugin integration.

  • Developed custom WordPress themes from scratch

  • Integrated third-party plugins for added functionality

  • Optimized website performance and SEO for WordPress sites

  • Created custom post types and taxonomies for specific content needs

Q10. Floyd's tortoise and hare algorithm

Ans.

Floyd's tortoise and hare algorithm is used to detect a cycle in a linked list.

  • The algorithm involves two pointers moving at different speeds through the linked list.

  • If there is a cycle, the two pointers will eventually meet at the same node.

  • This algorithm has a time complexity of O(n) and space complexity of O(1).

Q11. for loop fine the array value

Ans.

Using a for loop to find a specific value in an array of strings.

  • Use a for loop to iterate through the array

  • Check each element to see if it matches the desired value

  • Return the index of the matching element or -1 if not found

Q12. Explain various functions

Ans.

Functions in programming are blocks of code that perform a specific task when called.

  • Functions can take input parameters and return output values.

  • Functions can be reusable and modular, making code more organized.

  • Examples: Math.sqrt() calculates the square root of a number, console.log() outputs a message to the console.

Q13. UI and UX differences

Ans.

UI focuses on the look and feel of a website or application, while UX focuses on the overall user experience.

  • UI deals with the visual aspects such as layout, colors, typography, and interactive elements.

  • UX focuses on the overall user journey, ease of use, and user satisfaction.

  • UI is more about the design and presentation, while UX is about the functionality and usability.

  • Good UI enhances the aesthetic appeal, while good UX ensures a seamless and enjoyable user experience.

  • Exam...read more

Q14. for loop fine the array valu

Ans.

To find array values using for loop

  • Declare a variable to store the sum of array values

  • Use a for loop to iterate through the array

  • Access each element using array[index] syntax

  • Add the element value to the sum variable

  • Return the sum variable

Q15. make a chess using html css

Ans.

Create a chess board using HTML and CSS

  • Use HTML to create a grid layout for the chess board

  • Style the grid using CSS to alternate between light and dark squares

  • Add chess piece images to the squares using CSS background images

Q16. What is html and css

Ans.

HTML and CSS are the building blocks of web development. HTML is used for structuring content, while CSS is used for styling and layout.

  • HTML stands for HyperText Markup Language and is used to create the structure of a web page.

  • CSS stands for Cascading Style Sheets and is used to style the HTML elements on a web page.

  • HTML uses tags to define different elements like headings, paragraphs, images, links, etc.

  • CSS allows for customization of colors, fonts, spacing, layout, and mor...read more

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