React js tutorial

It is simple to embed React Js components into pure HTML files.

1. Add a DOM container to the HTML document to mount your React Js component
2. Add the React Js script tags to load React from the CDN
3. Write the React Js component.

I have this simple HTML file to log my monthly expenses.

How to run react app

React script tag

React render html

Create react app

React-html-parser

I know all the unit costs, but it would be nice to know the amounts due with taxes.

What I want is a simple calculator widget under the expenses table.

That is a good candidate for a React Js component.

Let's take a look at what it takes to implement a simple calculator widget in React.

React js website examples

Here is the existing HTML that I use to enter expenses.

1. Add a DOM container to mount the React Js component

Embedding React in HTML differs slightly from what we have done with React Js. In a standard React Js app, the root element in the index.html is the container that mounts the React Js app.

I need something similar to mount my tax widget in the HTML file.

Create react app

2. Add React Js script tags

I run a React app in an HTML file. No node_modules to provide React J

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