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React Interview Guide

React Interview Guide

By : Sudheer Jonna, Andrew Baisden
4.3 (6)
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React Interview Guide

React Interview Guide

4.3 (6)
By: Sudheer Jonna, Andrew Baisden

Overview of this book

Are you struggling with React job interviews, feeling hindered by the lack of knowledge or confidence? Look no further than the React Interview Guide. Complete with the latest features of the React library, this comprehensive solution will assist you in taking a definitive step forward in your career as a React developer. This book systematically covers frequently asked questions and common edge cases encountered in React interviews. It goes beyond React to encompass other essential technologies in the React ecosystem, including routing, CSS, testing, and building Next.js apps. You’ll benefit from invaluable expert guidance, enabling you to address a wide range of React ecosystem questions swiftly as this book prioritizes interview readiness, sparing you the need to dwell excessively on individual topics before technical discussions. By the end of this book, you’ll be thoroughly equipped to excel in any React interview, giving you an edge over your peers and significantly increasing your chances of securing your dream job.
Table of Contents (19 chapters)
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1
Part 1: Getting Ready for Interviews
3
Part 2: Mastering the Core React Technical Interview
8
Part 3: Going Beyond React and Advanced Topics
13
Part 4: Hands-On with Programming Tasks

Building views with elements and components

Both elements and components are basic building blocks for creating React views or apps. It is easy to build a UI with isolated, customizable, and reusable components. The following questions and the content they cover will help you answer the basics of ReactJS and will act as a foundation for the next set of questions in this book.

What are components?

A component is an independent, reusable code block that divides the UI into smaller pieces. For example, while building the UI part of a web application using the React library, you can break its UI into small pieces for reusability purposes, highlighted with blue boxes in the following figure:

Figure 2.2: React components

Figure 2.2: React components

Each piece can be considered a component and is represented in a separate file instead of the UI being built in a single file. These components can be reused across the application wherever they are applicable.

Note

Each component...

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