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Beginning React
book

Beginning React

by Andrea Chiarelli
July 2018
Beginner content levelBeginner
96 pages
2h 8m
English
Packt Publishing
Content preview from Beginning React

Managing the Internal State

Components have the ability to store data that can change over time.

When a component shows data that can change over time, we want changes to be shown as soon as possible. For example, consider the ProductList component: it shows a list of products contained in the products array. If a new product is added to the array, we want it to be shown immediately. React provides a mechanism to support the automatic rendering of a component when data changes. Such a mechanism is based on the concept of state.

React state is a property that represents data that changes over time. Every component supports the state property, but it should be used carefully.

Again, consider the ProductList component:

import React from 'react'; ...
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Publisher Resources

ISBN: 9781789530520Supplemental Content