Vue.js Quick Example

HTML

<div id="demo">
  <button @click="save">save</button>
  <div ref="main">
    <input type="checkbox" v-model="val">    
  </div>
</div>

Babel + JSX

var demo = new Vue({
    el: '#demo',
    data: () => ({
        val : false
    }),
    methods : {
      save() {
      	console.log(this.$refs.main.innerHTML);
      }
    }
})