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Redux is a predictable state container for JavaScript apps. It helps manage the state of an application in a single immutable state tree.
Redux is commonly used with React to manage the state of the application.
Actions are dispatched to update the state in Redux.
Reducers specify how the state changes in response to actions.
Selectors are used to extract specific pieces of state from the Redux store.
Middleware can be used...
Closure is a function that retains access to variables from its parent scope even after the parent function has finished executing.
Closure allows a function to access and manipulate variables from its outer function's scope.
It occurs when a function is defined within another function and the inner function uses variables from the outer function.
Closure helps in creating private variables and functions in JavaScript.
Exa...
Variable declaration in JavaScript
Use 'var', 'let', or 'const' to declare variables
Variables declared with 'var' have function scope
Variables declared with 'let' or 'const' have block scope
Variables declared with 'const' cannot be reassigned
Use descriptive variable names
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I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.
Hacker Rank Online Written Test
Topics covered DSA and Javascript
I applied via Recruitment Consulltant and was interviewed in Mar 2024. There was 1 interview round.
Display a list of items using Pagination concept in React
Create a list of items to display
Implement pagination logic to display a limited number of items per page
Add navigation buttons to switch between pages
Check if pair sum exists in the array using a hash map.
Use a hash map to store the difference between the target sum and each element in the array.
Iterate through the array and check if the current element exists in the hash map.
Return true if a pair sum exists, otherwise return false.
Improving website performance involves optimizing code, reducing server requests, using caching, and optimizing images.
Optimize code by minifying CSS, JavaScript, and HTML
Reduce server requests by combining files and using asynchronous loading
Utilize caching techniques like browser caching and server-side caching
Optimize images by resizing, compressing, and using modern image formats like WebP
NextJS is a React framework that allows for server-side rendering and static site generation.
NextJS is built on top of React, providing features like server-side rendering and static site generation.
It simplifies the process of building React applications by handling routing, code splitting, and more out of the box.
NextJS also supports API routes for serverless functions and data fetching.
It offers features like automa...
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
Bridge is a structural design pattern that decouples an abstraction from its implementation. The new architecture refers to modern design patterns and technologies used in software development.
Bridge pattern allows the client code to work with different implementations of an interface independently.
The new architecture in front end development may include concepts like component-based architecture, state management lib...
Optimizing a React Native app involves reducing bundle size, improving performance, and enhancing user experience.
Use code splitting to reduce initial load time
Optimize images and assets for smaller file sizes
Implement lazy loading for components that are not immediately visible
Minimize the use of third-party libraries and only include necessary dependencies
Utilize performance monitoring tools like React Native Perform
Context API is a feature in React that allows sharing data between components without having to pass props through every level of the component tree.
Context API provides a way to pass data through the component tree without having to pass props down manually at every level.
It is useful for sharing global data such as themes, user authentication, or language preferences.
Context API consists of three main parts: Provider...
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
Variable declarations are hoisted to the top of their scope, but not their initializations.
Function declarations are fully hoisted, including their definitions.
Hoisting can lead to unexpected behavior if not understood properly.
I applied via Naukri.com
I am open to discussing salary based on the responsibilities and requirements of the position.
I am flexible and open to negotiation.
I am looking for a fair and competitive salary.
I am more interested in the overall compensation package rather than a specific number.
I would like to be compensated based on my skills, experience, and the value I can bring to the company.
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
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