Vue2 methods

//Html
<div id="app">
  <p>{{ message }}</p>
  <button @click="reverseMessage">反轉訊息</button>
</div>

//script
var app = new Vue({
  el: '#app',
  data: {
    message: 'Hello Vue!'
  },
  methods: {
    reverseMessage: function () {
      this.message = this.message.split('').reverse().join('')
    }
  }
})

//Style Scss
button{
  background-color:red;
  border:1px solid red;
  border-radius: 5px;
  color:white;
  padding:5px 10px;
  &:hover{
    background-color:#a62525;
    border:1px solid #a62525;
  }
}