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#REACT environment variables

note: you will need to stop and restart the npm start create-react-app development environment/server to see this change

The app now has a fetch call to get the dogs programmed, but it doesn't work

because of CORS!!!!! 😡 CORS (Cross-Origin Resource Sharing)

BROWSERS implement this for security reasons

To fix it you program your server to speak to certain clients that it recognizes

IOW server uses HTTP headers and sometimes also a response to an OPTIONS request to say who's allowed to connect and what they're allowed to do


To install it,

npm install semantic-ui-css semantic-ui-react

Then index.js Add this line

import 'semantic-ui-css/semantic.min.css'

before this line

import './index.css';
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