<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Vue.js - Florian Studio</title> </head> <style> .class1{ background: #444; color: #eee; } </style> <body> <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script> <div id="app"> <button v-on:click="greet">Greet</button> </div> <script> var app = new Vue({ el: '#app', data: { name: 'Vue.js' }, methods: { greet: function (event) { alert('Hello ' + this.name + '!') if (event) { alert(event.target.tagName) } } } }) app.greet() // -> 'Hello Vue.js!' </script> </body>