JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test">
  {{activated}}
  <button v-on:click="alertyou">
    alertyou
  </button>
   <button v-on:click="alertme">
     alertme
   </button>
</div>

JavaScript

new Vue({
    el: '#test',
    data () {
      return {
        msg: 'Welcome to Your Vue.js App',
        activated: false
      }
    },
    methods: {
        alertme() { 
           alert('Clicked'); this.activated = false; 
        },
        alertyou() {
          alert('Alert You');
          this.activated = true
        }
    }
  });