Vue 2.0 Hello World

HTML

<script src="https://unpkg.com/vue"></script>

<div id="app">
  <input type="checkbox" :checked="checked" @input="doNothing" />
</div>

JavaScript

new Vue({
  el: '#app',
  data: {
    checked: false
  },
  methods: {
    doNothing() {
      
    }
  }
})