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Day 1
Questions(105)
react
Explain what is virtual DOM?
react
What is conditional rendering in React?
react
List all the hooks available in react js and provide brief definition for each
react
What is reconciliation in React?
react
Discuss stack reconciler.
react
What is react fibre?
react
How does React Fiber handle errors?
react
Is React Fiber backward compatible with previous versions of React?
react
How does React Fiber improve the rendering performance?
react
What is fibre in react fiber?
react
Discuss fibre lifecycle.
react
What is work in progress tree in react fibre?
react
What are low and high-priority updates?
react
Explain how virtual DOM works?
react
Explain advantages of Virtual DOM?
react
What is JSX?
react
Explain the concept of React Hooks.
react
What is React?
react
How does react work?
react
What is Redux, and why might you use it with React?
react
Explain the concept of actions in Redux.
react
What are action creators and why do we use them?
react
What is a reducer in Redux?
react
Why are they called reducer functions?
react
What is the store?
javascript
Explain the internals of JavaScript engines, including concepts like the Call Stack, Heap, Event Loop, and Just-In-Time (JIT) compilation.
javascript
Discuss how an understanding of engine internals can inform code optimisations.
javascript
What is a higher-order function?
javascript
What are first class functions?
javascript
Write code to explain higher-order function
javascript
What are the advantages of Higher order functions?
javascript
What is the Execution Context?
javascript
List the types of Execution Context in JS.
javascript
List the phases of the JavaScript Execution Context.
javascript
What is the Call Stack?
javascript
What is the difference between execution context and scope?
javascript
What is memoisation?
javascript
What is currying?
javascript
Why is currying useful in JavaScript?
javascript
What are the methods to implement currying?
javascript
Implement Currying using Closures
javascript
Implement Currying using Recursion
javascript
Implement Currying using `bind` method
javascript
Implement Currying using ES6 Arrow Functions
javascript
What is this length property of a function?
reactjsnextjs
What is SSG?
nextjs
What is Next.js?
nextjs
What are the advantages of Next.js?
nextjs
How do you create a new Next.js project?
nextjs
What is the difference between App router and Page router?
nextjs
What is an app router?
nextjs
List important files in app routing system.
nextjs
Describe layout.js.
nextjs
Describe page.js.
nextjs
Describe route.js.
nextjs
Describe template.js.
HTML
What is HTML, and what is its purpose?
HTML
What is the meaning of markup language?
HTML
Is HTML case sensitive?
HTML
Explain the structure of a basic HTML document.
HTML
What is the difference between <head> and <body>?
HTML
What are void (self-closing) elements in HTML?
HTML
List common HTML tag categories?
HTML
What are properties of an HTML element?
HTML
What is the role of <!DOCTYPE html>?
HTML
What are self-closing tags?
HTML
What are attributes of an HTML tag?
HTML
What are the properties of an HTML element?
HTML
What is the difference between HTML attribute and property ?
HTML
What is the difference between id and class ?
HTML
Can you have multiple classes on an HTML element?
HTML
What does the title attribute do ?
HTML
What is the purpose of the alt attribute in an <img> tag ?
HTML
Difference between ordered and unordered lists?
HTML
Can you nest lists in HTML? How?
HTML
What is the <dl> tag used for ?
typescript
What is TypeScript?
typescript
How does typescript help in writing better code
typescript
What is 'type inference' in TypeScript?
typescript
What is contextual typing?
CSS
What is CSS? Why do we use it?
nodejs
Explain the event loop.
nodejs
What is nodejs?
nodejs
Why is Node.js Single-threaded?
nodejs
5. If Node.js is single-threaded, then how does it handle concurrency?
nodejs
What is the package.json file?
nodejs
How to install delete and update a dependency in node js?
nodejs
What are some of the most commonly used libraries in Node.js?
nodejs
What are the pros and cons of Node.js?
nodejs
What are buffers?
nodejs
Why do we need buffers?
nodejs
What is the difference between buffers and streams
nodejs
What are encoding and decoding buffers?
Express.js
How to implement routing in express.js?
Express.js
What are route methods how to perform tasks for all routes like setting up middleware
MongoDB
Discuss what is NOSQL?
MongoDB
When to use RDBMS and when to use NoSQL DB in your applications?
MongoDB
What is a dcoument in NoSQL database?
MongoDB
What is a collection in NoSQL database?
MongoDB
What is the BSON format?
MongoDB
List advantages and disadvantages of NosSQL and RDBMS.
MongoDB
How does MongoDB ensures high availability?
mysql
What is Mysql?
mysql
What is a database?
mysql
How to create a database in mysql and how to list existing databases?