Freelancer.com React Js Frontend Developer Interview Questions and Answers

Q1. Personal information
Add your answer
Q2. Qualifications
Add your answer

General aptitude and reasoning skills.

Building a user interface for a food point of sale (POS) application.

Q1. Salary discussion
Add your answer

Q1. What is Currying
Ans. 
Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of nested functions, each taking a single argument.
• Currying helps in creating reusable functions and partial application.

• It allows for easier composition of functions.

• Example: const add = (a) => (b) => a + b; add(2)(3) will return 5.
Answered by AI
Add your answer
Q2. What are closures
Ans. 
Closures are functions that have access to their own scope, as well as the scope in which they were defined.
• Closures allow functions to access variables from their outer function even after the outer function has finished executing.

• They help in maintaining state in functional programming.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(outerVar); }; }

• Example...read more
Answered by AI
Add your answer
Q3. What hooks you are familiar with
Add your answer

Q1. Duplicate in a array
Ans. 
Find duplicates in an array of strings
• Iterate through the array and store each element in a hash table

• If an element is already in the hash table, it is a duplicate

• Return the list of duplicates found
Answered by AI
Add your answer

Online Assignment of 1 hr. questions were around - JS, React JS, 1 DSA question

Q1. DSA round- 1 medium DSA question asked and some questions around JS
Add your answer

Q1. Technical Round - 1 hour.
Add your answer

Q1. 1. Html related tags questions, new tags in htmls, what is inline block, sigular tag 2. css related question: what is selector, how to apply css for global, flex 3. javascript questions, need to give outpu...read more
Add your answer

Q1. 2nd round was also the technical. those who are selected in both round was going to get result in next working day.
Add your answer

Time base directions and probability

Q1. Self-introduction of yourself
Add your answer
Q2. Job description of the company why you need tp work in this company
Add your answer

Q1. Related to basic react native and project based question
Add your answer
Q2. What is hooks, redux, push notifacvation, javascript basic
Ans. 
Hooks, Redux, push notification, JavaScript basics
• Hooks are a feature in React that allow you to use state and other React features without writing a class

• Redux is a state management library for JavaScript applications

• Push notifications are messages that are sent to a user's device from a server or a backend system

• JavaScript basics include understanding variables, data types, functions, and control flow
Answered by AI
Add your answer

Q1. Life cycle hooks html css
Add your answer