Interview Questions

Below I have shared the Interview questions which are directly observed by me, my friends, colleagues, and others who faced the interview by themselves.

Servion - Frontend Questions

HTML

What are the new features in HTML5

CSS

Difference between Flex and Grid
How will you make responsive with Flex

JavaScript

Difference between var, let, and const
What is Temporal Dead Zone
What is Memoizing
What is Closure
What is Hoisting in JS
What are Arrow functions and its differences

React

What is the advantage of Virtual DOM and drawbacks of Virtual DOM
What are the things you do for Optimizing React
What is Lazy Loading
Difference between useMemo and useCallback
Have you used NextJS?
What are all you do with Webpack

12/Jan/2024

Finsire - Frontend Questions

CSS

What is Flex
What are the positions in CSS and explain it

JavaScript

What is "debounce" and then what is "throttle"
What is Closure
What is Hoisting in JS
What are Arrow functions and its differences

React

What are Ref's
Difference between useEffect and useLayoutEffect
What Plugin you use for forms?
What Library you use for form validation?

12/Jan/2024

SEIDOR Open trends - Frontend Questions

JavaScript

Difference between ES5 and ES6
What are the types of functions in Javascript
What are Generator Functions
What is Event Loop
What is Closure. Write an example for closure
Home/About/../Gallery/Blog/Contact/../News

Convert the above line to below. (wherever /.. comes. those before page link and the /.. should be removed)

Home/Gallery/Blog/News

What will be the output

for(let a = 0; a < 5; a++) {
   setTimeout( function(){
      console.log(a);
   }, 1000)
}

Above code explained in this page

React

If we remove two elements from an array, how it will update through Virtual DOM
Difference between Class and Functional components
What are Higher Order Component (HOC)

17/Dec/2023