<body>
<div class="root">
</div>
<script crossorigin src="https://unpkg.com/react@17/umd/react.development.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@17/umd/react-dom.development.js"></script>
<script>
const App = ()=>{
return React.createElement("h1", {id: "hello", className: "hello"},
"Hello from React")
}
ReactDom.render(React.createElement(App), document.querySelector('root'))
</script>
</body>
Средний
Простой
Средний
Средний
