Vue Installation

HTML

<script src="https://unpkg.com/vue@2.6.11/dist/vue.js"></script>

<div id="app">
  <p>{{ title }}</p>
</div>

JS

new Vue({
  el: '#app',
  data: {
    title: 'Hello Vue JS '
  }
})

Output

Hello Vue JS 

DEMO https://jsfiddle.net/toihid/36w4ny92/6/#