start react code example

Example 1: command to create react app

npx create-react-app my-app
cd my-app
npm start

Example 2: install react js

npx create-react-app <appname>  //  eg:  npx create-react-app blog
cd <appname>  // cd blog
npm start  //runs on localhost:3000

Example 3: npm start react

npx create-react-app mon-app
cd mon-app
npm start

Example 4: new create react app

npx create-react-app my-app
cd my-app
npm start
//Note:npx on the first line is not a typo — 
//it’s a package runner tool that comes with npm 5.2+.

Example 5: create react app

npm install --save typescript @types/node @types/react @types/react-dom @types/jest

# or

yarn add typescript @types/node @types/react @types/react-dom @types/jest

Example 6: React js tutorial

npx create-react-app my-app
cd my-app
cd src

# If you're using a Mac or Linux:
rm -f *

# Or, if you're on Windows:
del *

# Then, switch back to the project folder
cd ..