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React Cookbook

React Cookbook

By : Carlos Santana Roldán
2.5 (6)
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React Cookbook

React Cookbook

2.5 (6)
By: Carlos Santana Roldán

Overview of this book

React.js is Facebook's dynamic frontend web development framework. It helps you build efficient, high-performing web applications with an intuitive user interface. With more than 66 practical and self-contained tutorials, this book examines common pain points and best practices for building web applications with React. Each recipe addresses a specific problem and offers a proven solution with insights into how it works, so that you can modify the code and configuration files to suit your requirements. The React Cookbook starts with recipes for installing and setting up the React.js environment with the Create React Apps tool. You’ll understand how to build web components, forms, animations, and handle events. You’ll then delve into Redux for state management and build amazing UI designs. With the help of practical solutions, this book will guide you in testing, debugging, and scaling your web applications, and get to grips with web technologies like WebPack, Node, and Firebase to develop web APIs and implement SSR capabilities in your apps. Before you wrap up, the recipes on React Native and React VR will assist you in exploring mobile development with React. By the end of the book, you will have become familiar with all the essential tools and best practices required to build efficient solutions on the web with React.
Table of Contents (17 chapters)
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15
Most Common React Interview Questions

Simulating Events

In this recipe, we are going to learn how to simulate the onClick and onChange events on a simple Calculator component.

How to do it...

We will re-use the code of the last recipe (Repository: Chapter12/Recipe3/debugging):

  1. We will create a simple Calculator component to sum two values (input) and then we will get the result when the user clicks on the equals (=) button:
  import React, { Component } from 'react';
import styles from './Calculator.scss';

class Calculator extends Component {
state = {
number1: 0,
number2: 0,
result: 0
};

handleOnChange = e => {
const { target: { value, name } } = e;

this.setState({
[name]: value
});
...

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