Cloudrevel Innovations Interview Questions and Answers

React is a JavaScript library for building user interfaces, focusing on component-based architecture and efficient rendering.

• Component-Based: React applications are built using reusable components. For example, a Button component can be reused across the app.

• JSX Syntax: React uses JSX, a syntax extension that allows mixing HTML with JavaScript. Example: <h1>Hello, World!</h1>.

• Virtual DOM: React maintains a ...read more

HTML, CSS, and JavaScript are foundational technologies for building web pages and applications, enabling structure, style, and interactivity.

• HTML (HyperText Markup Language) structures the content of web pages. Example: <h1>Title</h1> defines a main heading.

• CSS (Cascading Style Sheets) styles the appearance of HTML elements. Example: body { background-color: blue; } changes the background color.

• JavaScript ...read more

I utilized various technologies including HTML, CSS, JavaScript, and frameworks like React and Bootstrap in my projects.

• HTML5 for structuring web content and ensuring semantic markup.

• CSS3 for styling and layout, using Flexbox and Grid for responsive design.

• JavaScript for interactivity, including ES6 features like arrow functions and promises.

• React for building dynamic user interfaces, leveraging components and state ma...read more

I have experience working with various tech stacks including HTML, CSS, JavaScript, React, and Node.js.

• HTML

• CSS

• JavaScript

• React

• Node.js

Innovations related to cloud reveals include serverless computing, edge computing, and AI-driven cloud services.

• Serverless computing allows developers to run code without managing servers.

• Edge computing brings computation and data storage closer to the location where it is needed.

• AI-driven cloud services use artificial intelligence to optimize cloud resources and improve performance.

• Examples: AWS Lambda for serverless ...read more

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...read more

Life cycle components in React are methods that are automatically called at specific points in a component's life cycle.

• Mounting phase: constructor, render, componentDidMount

• Updating phase: render, componentDidUpdate

• Unmounting phase: componentWillUnmount