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You're reading from MERN Quick Start Guide Build web applications with MongoDB, Express.js, React, and Node

Product type Paperback

Published in May 2018

Publisher Packt

ISBN-13 9781787281080

Length 302 pages

Edition 1st Edition

Languages

JavaScript

Tools

Express.js

Concepts

Full Stack Web Development

Author (1):

Eddy Wilson Iriarte Koroliova

View More author details

Table of Contents (8) Chapters

Preface

1. Introduction to the MERN Stack FREE CHAPTER

2. Building a Web server with ExpressJS

3. Building a RESTful API

4. Real-Time Communication with Socket.IO and ExpressJS

5. Managing State with Redux

6. Building Web Applications with React

7. Other Books You May Enjoy

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Rendering lists with React

React allows you to pass a collection of React elements or components as children in the form of an array. For instance:

   <ul> 
      {[ 
         <li key={0}>One</li>, 
         <li key={1}>Two</li>, 
      ]} 
   </ul>

Collections of React elements or components must be given a special props property named key. This property lets React know which of the elements in the collection have changed, moved, or been removed in/from the array when an update occurs.

Getting ready

In this recipe, you will build a utility component that will map each item of an array to a component's props and render them as a list. Before you start, create a new package.json file...

The rest of the chapter is locked

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Authors (1)

Eddy Wilson Iriarte Koroliova

Eddy Wilson Iriarte Koroliova is a skilled software and full-stack web developer. He is skilled at creating and developing solutions by taking a client-focused approach. He maintains a good attitude under pressure and stress. He has the ability to work independently but is positive and collaborative on a team environment. He always provides on-time feedback and keeps an open mind. He loves learning new human languages and adapts fast to the existing and new technologies. He likes travelling, challenging experiences, drinking coffee and eating Chinese food, and loves to solve puzzles. He seeks new opportunities that allow him to use the skills that he has to develop solutions for simple or complex problems. He is also eager to learn new technologies in order to improve his current skills.

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