React hooks useState example 1

• Create Components folder under src folder
• Add ReactStateHookEXP1.js file and add below Code

import React, { useState } from "react";

function ReactStateHookEXP1() {

const [count, setCount] = useState(0);

return (

<>

<div>React State Hook EXP1</div>

<div>{count}</div>

<div>

<button onClick={() => setCount(count + 1)}>Click</button>

</div>

</>

);

}

export default ReactStateHookEXP1;

• Open index.js file and update code as below

import React from "react";

import ReactDOM from "react-dom";

import ReactStateHookEXP1 from "./components/ReactStateHookEXP1";

function App() {

return (

<div className="App">

<ReactStateHookEXP1 />

</div>

);

}

const rootElement = document.getElementById("root");

ReactDOM.render(<App />, rootElement);

Output: