Navalt Front end Developer Interview Questions, Process, and Tips

Q1. What are spread and rest operator
Ans. 
Spread operator allows an iterable to be expanded in places where zero or more arguments are expected. Rest operator collects all the remaining elements into an array.
• Spread operator is denoted by three dots (...)

• Spread operator can be used to copy an array or object

• Rest operator is also denoted by three dots (...) and is used in function parameters to collect all remaining arguments into an array
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Q2. What are pure functions
Ans. 
Pure functions are functions that always return the same output for the same input and have no side effects.
• Always return the same output for the same input

• Have no side effects, meaning they do not modify external state or variables

• Pure functions are predictable and easier to test and debug
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Create a corouesel with react

Q1. Some basic info on my communication
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Q2. Previous project and company experience
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Ninja test its easy , you can find many mock papers on youtube

Q1. Null operation , string reverse
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Q2. Dsa questions , linked list and so on
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Q1. What is your Dream company
Ans. 
My dream company is a tech giant known for innovation, employee benefits, and a positive work culture.
• Innovative technology and projects

• Strong employee benefits and perks

• Positive work culture and work-life balance
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Q2. Tell me about yourself which is not on your resume
Ans. 
I am an avid hiker and have climbed several mountains in the past year.
• I enjoy spending time outdoors and challenging myself physically

• I have completed multiple hiking trips in various terrains

• I find solace and inspiration in nature, which fuels my creativity in coding
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What is a data structure?

What is the speed of a train that covers a distance of 100 km in 2 hours, expressed in km/hr?

Q1. React Life cycle
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Q2. What React hooks have you utilized in your projects?
Ans. 
I have utilized useState, useEffect, useContext, and useRef hooks in my projects.
• useState - for managing state in functional components

• useEffect - for handling side effects in functional components

• useContext - for accessing context in functional components

• useRef - for accessing DOM elements or storing mutable values
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Q3. What is Redux, and what are the differences between Redux and Context?
Ans. 
Redux is a predictable state container for JavaScript apps. It helps manage the state of an application in a centralized way.
• Redux is a state management library commonly used with React to manage the state of an application.

• It follows a unidirectional data flow pattern, where the state is stored in a single store and changes are made through actions and reducers.

• Redux allows for a more structured way of managing state ...read more
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Q4. What is the difference between visibility: hidden and display: none in CSS?
Ans. 
visibility: hidden hides an element but still takes up space, while display: none hides an element and removes it from the flow of the document.
• visibility: hidden hides the element but it still occupies space on the page

• display: none hides the element and removes it from the document flow

• visibility: hidden elements are still rendered, just not visible

• display: none elements are not rendered at all
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Q5. What are JavaScript closures, the temporal dead zone (TDZ), hoisting, and the JavaScript engine?
Ans. 
JavaScript closures, TDZ, hoisting, and the JavaScript engine are key concepts in understanding how JavaScript works.
• JavaScript closures are functions that have access to variables from their outer scope even after the outer function has finished executing.

• Temporal Dead Zone (TDZ) is the period between entering a scope and the variable being declared where accessing the variable results in a ReferenceError.

• Hoisting is ...read more
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Identify the duplicate character in the string.

Analytical Questions, reasoning

Topic on it companies ,how it job are seeking Student's and how to improve our skills

Q1. About my self, carrier, my skills,and my salary expectations
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Q2. Tell me about our company
Ans. 
Our company is a leading technology firm specializing in web development and design.
• We have a team of experienced front-end developers who create user-friendly and visually appealing websites.

• We use the latest technologies and frameworks to deliver high-quality web solutions.

• Our clients range from small startups to large enterprises in various industries.

• We prioritize responsive design and ensure our websites are optim...read more
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Q1. Basics of HTML, CSS, Bootstrap, React.JS, Javascript
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Q1. Self introduction
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Q2. What are your interests
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Q3. What you do in free time
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Q4. Will you work in any place
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Q5. How much package your expecting
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Easy questions in Aptitude

Q1. Basics of programming in html and css
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Q2. Css full form and html full form
Ans. 
CSS stands for Cascading Style Sheets and HTML stands for HyperText Markup Language.
• CSS - Cascading Style Sheets is used for styling web pages

• HTML - HyperText Markup Language is used for creating the structure of web pages
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Q3. How to create loops
Ans. 
Loops are used to repeatedly execute a block of code until a certain condition is met.
• Use 'for' loop to iterate over a block of code a specified number of times

• Use 'while' loop to execute a block of code as long as a specified condition is true

• Use 'do...while' loop to execute a block of code once, and then repeat the loop as long as a specified condition is true
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