Inclination IT Innovations Interview Questions and Answers

Q1. What is Promises in js?
Ans. 
Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.
• Promises help to handle asynchronous operations in a more organized and readable way.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained together using .then() to handle success and .catch() to handle errors.

• Example: const myPromise = new Promise((resolve, reject) =>...read more
Answered by AI
Add your answer
Q2. What is closure? when to use it?
Ans. 
Closure is a function that has access to its own scope, even after the function has closed.
• Closure allows a function to access and manipulate variables from its outer scope.

• Use closure when you want to create private variables or functions that are only accessible within a specific scope.

• Example: Creating a counter function using closure to maintain the count state.
Answered by AI
Add your answer
Q3. HOC in Reactjs
Ans. 
HOC (Higher Order Component) in Reactjs is a pattern where a function takes a component and returns a new component.
• HOC allows code reuse, logic abstraction, and props manipulation in React components.

• Example: withAuth HOC can be used to restrict access to certain components based on user authentication.

• HOC can be created using a function that takes a component as an argument and returns a new component with additional...read more
Answered by AI
Add your answer

Q1. What is difference between real DOM and Virtual DOM
Ans. 
Real DOM is the actual DOM in the browser, while Virtual DOM is a lightweight copy used for performance optimization.
• Real DOM updates are slow and inefficient due to direct manipulation of the actual DOM elements.

• Virtual DOM is a virtual representation of the actual DOM, allowing for faster updates and improved performance.

• React uses Virtual DOM to update only the necessary parts of the actual DOM, reducing unnecessary...read more
Answered by AI
Add your answer
Q2. What is Props?
Ans. 
Props are a way to pass data from a parent component to a child component in React.
• Props are read-only and cannot be modified by the child component.

• Props are passed down from parent to child components through attributes.

• Props can be any type of data, including strings, numbers, arrays, objects, or functions.

• Example: <ChildComponent name='John' age={25} />
Answered by AI
Add your answer

DSa based question given

Q1. Salary discussion and all
Add your answer

Some quant and reasoning based questions.

Basic questions from C# and Sql.

Q1. It was like personal interview questions.
Add your answer