<div id="app3">

???? <p>{{one}}</p>

???? <p>{{two}}</p>

</div>

var app3 = new Vue({

???? el: '#app3',

???? data: {

???????? one: '我是one',

???????? two: 'Hello, 我是two!',

???????? b: 3

???? },

???? methods: {

???????? doSomething: function(){

???????? alert(this.one),

???????? alert(this.two),

???????? alert(this.b)

???????? }

???? }

});