React - CORS Policy - problem

0

Hej,
po próbie wykonsolowania "React" oraz "ReactDOM" otrzymuje taki błąd:

Access to XMLHttpRequest at 'file:///home/karol/NaukaReact/app.js' from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, https.

jak usunąć ten błąd?

Moje pliki.

HTML:

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Hello World</title>

<!-- Don't use this in production: -->
</head>
<body>
<div id="root"></div>
<script crossorigin src="https://unpkg.com/react@16/umd/react.production.min.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.production.min.js"></script>
<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
<script type="text/babel" src="app.js"></script>
</body>
</html>

app,js:

console.log(React);
console.log(ReactDOM);

0

po pierwsze to babel powinien byc pobrany przed reactem

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