React Js Session Storage Example

<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <script src="https://unpkg.com/react@17.0.2/umd/react.development.js"></script>
  <script src="https://unpkg.com/react-dom@17.0.2/umd/react-dom.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>
  <div id="app"></div>
  <script type="text/babel">
    const { useState } = React;
    const App = () => {
      const [userName, setUserName] = useState('');

const handleUserNameChange = (event) => {
        setUserName(event.target.value);
      };

return (
        <div className='container'>
          <h1>React Js Session Storage Example</h1>
          <input
            type="text"
            placeholder="Enter your user name"
            value={userName}
            onChange={handleUserNameChange}
          />
          <button onClick={handleLogin}>Login</button>
          {retrieveUserName()}
        </div>
      );
    }

ReactDOM.render(<App />, document.getElementById("app"));
  </script>
  <style>
    .container {
      text-align: center;
      padding: 20px;
      box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
      margin: 0 auto;
      max-width: 600px;
    }

input {
      width: 100%;
      padding: 10px;
      margin-bottom: 10px;
      border: 1px solid #ccc;
      border-radius: 5px;
      box-sizing: border-box;
    }

button {
      padding: 10px 20px;
      background-color: #007bff;
      color: #fff;
      border: none;
      border-radius: 5px;
      cursor: pointer;
      transition: background-color 0.3s;
    }

button:hover {
      background-color: #0056b3;
    }

/* Additional styling for the retrieved username */
    #retrievedUsername {
      font-size: 18px;
      margin-top: 20px;
      color: #555;
    }
  </style>
</body>

</html>