For development purpose

<body>
	....
	....
	....
	<script src="https://cdn.jsdelivr.net/npm/vue"></script>
</body>

For deployment/distribution purpose

<body>
	...
	...
	...
	<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</body>

var app = new Vue({ // Create Veu
	el: '#app', // using element having 'app' as 'id'
	data: { // data for that element
		product: 'Socks',
		description: 'A pair of warm, fuzzy socks',
		image: './img/vmSocks-green.png',
		inventory: 10,
		onSale: true,
        details: ["80% cotton", "20% polyester", "Gender-neutral"]
	}
})