Vue Js Add JSON to array by user input

<!DOCTYPE html>
<html lang="en">
<head>
  <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
  <div id="app">
    <h3>Vue Js Add JSON Data to Array</h3>
    <input v-model="data.name" type="text" placeholder="Enter name" />
    <input v-model="data.role" type="text" placeholder="Enter role" />
    <input v-model="data.email" type="email" placeholder="Enter email" />
    <button @click="addData">Add Data</button>
    <ul>
      <li v-for="(item, index) in dataArray" :key="index">{{ item }}</li>
    </ul>
  </div>

h3 {
      font-size: 24px;
      font-weight: bold;
      margin-bottom: 10px;
    }

input {
      margin-bottom: 10px;
      padding: 8px;
      width: 100%;
      border: 1px solid #ccc;
      border-radius: 4px;
    }

button {
      padding: 10px 20px;
      background-color: #4CAF50;
      color: white;
      border: none;
      border-radius: 4px;
      cursor: pointer;
    }

button:hover {
      background-color: #45a049;
    }

ul {
      list-style-type: none;
      margin-top: 10px;
      padding: 0;
    }

li {
      margin-bottom: 5px;
      background-color: #f9f9f9;
      padding: 10px;
      border-radius: 4px;
    }
  </style>

</body>

</html>