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Jio Platforms Front end Developer Interview Questions, Process, and Tips for Experienced
Jio Platforms Front end Developer Interview Experiences for Experienced
1 interview found
I applied via Referral and was interviewed in Apr 2024. There were 2 interview rounds.
Machine code test related to javascript and mcq questions from output based
(5 Questions)
- Q1. Write code for promise and explain. Write html form from scratch for js. Coding questions related to array
- Ans.
Answering coding questions related to promises, HTML forms, and arrays.
To create a promise in JavaScript, use the Promise constructor and pass in a function with resolve and reject parameters.
Example: const myPromise = new Promise((resolve, reject) => { // code here });
To create an HTML form in JavaScript, use the document.createElement method to create form, input, and button elements.
Example: const form = document...
- Q2. Write code for promise
- Ans.
A promise is an object representing the eventual completion or failure of an asynchronous operation.
Create a new promise using the Promise constructor
Use the resolve and reject functions to handle the success or failure of the asynchronous operation
Chain .then() and .catch() methods to handle the resolved or rejected promises respectively
- Q3. Write react component code for use memo use callback
- Ans.
React component code using useMemo and useCallback
Use useMemo to memoize a value and useCallback to memoize a function
Example: const memoizedValue = useMemo(() => computeExpensiveValue(a, b), [a, b]);
Example: const memoizedCallback = useCallback(() => { doSomething(a, b); }, [a, b]);
- Q4. Create own filter method
- Ans.
Custom implementation of filter method for arrays
Create a function that takes an array and a callback function as parameters
Iterate through the array and apply the callback function to each element
If the callback function returns true for an element, add it to a new array
- Q5. Create pagination work flow
- Ans.
Pagination work flow involves dividing content into pages for easier navigation.
Determine total number of items to be paginated
Calculate total number of pages based on items per page
Display page numbers for navigation
Allow users to navigate to previous and next pages
Update content based on selected page number
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Oct 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Frond end developer
Interview Preparation Tips
One coding, 40 technical mcq, 20-30 aptitude
(1 Question)
- Q1. Js, react questions
I applied via Naukri.com and was interviewed in Jul 2024. There were 3 interview rounds.
Online Aptitude Test
(2 Questions)
- Q1. React JS Questions
- Q2. Basic Javascript Questions
(2 Questions)
- Q1. Experience related questions
- Q2. Brief explanation on projects
- Ans.
I have worked on various projects ranging from e-commerce websites to interactive web applications.
Developed responsive e-commerce website using HTML, CSS, and JavaScript
Created interactive data visualization tool using D3.js library
Implemented user authentication and authorization using React and Firebase
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. CSS Box-model definition
- Ans.
CSS Box-model defines how elements are rendered in a webpage, including padding, border, and margin.
Box-model consists of content, padding, border, and margin
Content area is where text or images are displayed
Padding is the space between content and border
Border is the line around the content and padding
Margin is the space outside the border
- Q2. Difference b/n flexbox and grid
- Ans.
Flexbox is for one-dimensional layouts, grid is for two-dimensional layouts.
Flexbox is best for arranging items in a single row or column.
Grid is best for creating complex layouts with rows and columns.
Flexbox is more suitable for smaller scale layouts, while grid is better for larger scale layouts.
Flexbox is more flexible in terms of item order and sizing, while grid provides more control over the overall layout.
Both
Skills evaluated in this interview
Front end Developer Interview Questions & Answers
Hexaware Technologies
Anonymous
posted on 18 Feb 2024
I applied via LinkedIn and was interviewed before Feb 2023. There were 3 interview rounds.
It was easy not that hard
Coding question were on medium level
(1 Question)
- Q1. Be prepared for project question
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
General aptitude test, coding test, technical test questions
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed before Mar 2023. There was 1 interview round.
(4 Questions)
- Q1. Basic questions on JavaScript, React and HTML/CSS.
- Q2. Hoisting, Closures, Event Loop, Promises, Async/Await
- Q3. Semantic elements, block and inline elements, meta tag CSS box model, ways of adding CSS, CSS pre-processors
- Q4. React questions on component lifecycle, different hooks and thier use, fetching data and displaying it in a list.
Interview Preparation Tips
Basic React topics like component life cycle, fetching data using api endpoints.
I applied via Approached by Company and was interviewed in May 2022. There were 2 interview rounds.
Aptitude, technical, coding test not sufficient time
Coding you have to do 2 problems it is included in the first round
Interview Preparation Tips
you have 1:30 hrs time to complete the test
Aptitude - 20 Questions MCQ
Coding - 2 problems
Technical - 40 Questions MCQ
sumit ruhela
(1 Question)
- Q1. Completely frontend developer question session coookiess localstorage , shadow dom json and object difference event child children event
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