Reactjs hello world

reactjs hello world
===============================
npx create-react-app myapp
cd myapp
npm start
http://localhost:3000/
-----------------------------
* check version
node -v
npm -v
* npm upgrade
npm i -g npm-upgrade

Source: ashabbsoftmart.firebaseapp.com

Hello world react

Page HTML :
    <div id = "root"> </div>

Page JS BABEL:
  ReactDOM.render(<h1> Hello , world ! </h1> , document.getElementById('root') );

Similar codes

0 vote106 views1 answer
React native use route undefined
Javascript React
1 vote104 views1 answer
Class Component in ReactJS
Javascript React
11 votes114 views2 answers
'React' must be in scope when using JSX react/react-in-jsx-scope
Javascript React
-1 vote64 views1 answer
Array.filter react
Javascript React
105 votes137 views1 answer
Create react app scaffolding
Javascript React
3 votes130 views1 answer
React tooltip data-tip
Javascript React
21 votes61 views3 answers
Hide header bar react navigation
Javascript React
0 vote114 views1 answer
Connect react with database server
Javascript React
0 vote150 views1 answer
Get size of a View in React Native
Javascript React
2 votes121 views3 answers
How to get current date in react js
Javascript React