SOURCE

new Vue({
  el:'#app',
  data :{
      test:'this is a test',
      testList:[
          1,
          2,
          3
      ]
  },
  methods:{
      testClick(){
          console.log('hahahah')
      }
  }
})

<div id="app">
	{{test}}

<div>
	<button @click="testClick">Test btn</button>
</div>


<ul>
    <li v-for=item in testList>{{item}}</li>
</ul>








</div>