Vue Js get current timestamp

<!DOCTYPE html>
<html>
  <head>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.min.js"></script>
  </head>

<body>
    <div id="app">
      <h3>Vue Js get current timestamp</h3>
      <p>Current Timestamp: {{ currentTimestamp }}</p>
      <button @click="reload">Reload</button>
    </div>

p {
        font-size: 18px;
        color: #666;
      }

button {
        padding: 10px 20px;
        background-color: #4caf50;
        color: #fff;
        border: none;
        border-radius: 4px;
        font-size: 16px;
        cursor: pointer;
        transition: background-color 0.3s ease;
      }

button:hover {
        background-color: #45a049;
      }
    </style>
  </body>
</html>