React Js Generate Random String

<!DOCTYPE html>
<html>

// Function to regenerate the random string
      function regenerateString() {
        setRandomString(generateRandomString(20));
      }
      return (
        <div className='container'>
          <h2 className='title'>React Js Generate Random String | Base64 String  </h2>
          <p>Random String: {randomString}</p>

{/* Add the button and attach the click event */}
          <button className='button' onClick={regenerateString}>
            Regenerate
          </button>
        </div>
      );
    }
    ReactDOM.render(<App />, document.getElementById("app"));
  </script>

.container {
      margin: 0 auto;
      width: 600px;
      text-align: center;
      box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
      padding: 20px;
    }

.title {
      font-size: 24px;
      margin-bottom: 20px;
      color: #333;
    }

.button {
      background-color: #007bff;
      color: white;
      border: none;
      padding: 10px 20px;
      font-size: 16px;
      border-radius: 5px;
      cursor: pointer;
    }

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

.result {
      font-size: 18px;
      margin-top: 20px;
      color: #333;
    }
  </style>
</body>

</html>