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How to create react project? i) Install Node.js - First, you need Node.js installed. It includes npm (Node Package Manager). Download and install Node.js from https://nodejs.org/. // You can verify installation with node -v npm -v ii) Create a...
What is differnece between Client Side Rendering and Server Side Rendering? The difference between Client-Side Rendering (CSR) and Server-Side Rendering (SSR) lies in where the web page is rendered (i.e., converted from code into a visible page) — on...
How do you handle data persistence in a React application? Data persistence in a React application refers to retaining user data or application state even after a page reload or when navigating away from the page. There are several strategies to achi...
What is the difference between var, let, and const in JavaScript? var - i) Function scoped : Available throughout the function in which it is declared (or globally if not inside a function). ii) Hoisting : Yes, var declarations are hoisted to the to...
What is de-structuring in JavaScript? Destructuring in JavaScript is a syntax feature that allows you to unpack values from arrays or properties from objects into distinct variables. It makes extracting data much more concise and readable. i) Array D...
What is Callback Hell and How to avoid this? Callback Hell (also known as the “Pyramid of Doom”) refers to a situation in JavaScript (or other asynchronous programming environments) where multiple nested callbacks make code hard to read, understand, ...