<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>index-demo</title>
</head>

<body>
  <div id="app">
    <h2>{{person.name}}--{{person.age}}</h2>
    <h3>{{person.hobby}}</h3>
    <ul>
      <li>one</li>
      <li>two</li>
      <li>three</li>
    </ul>
    <h3>{{msg}}</h3>
    <div v-text="msg"></div>
    <div v-text="person.name"></div>
    <div v-html="htmlStr"></div>
    <input type="text" v-model="msg">
    <button v-on:click="sayHi">按钮v-on</button>
    <button @click="say