菜鸟教程在线编辑器

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                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Vue 测试实例 - 菜鸟教程(runoob.com)</title>
<script src="https://cdn.staticfile.net/vue/3.2.31/vue.global.min.js"></script>
</head>
<body>
<div id = "app"></div>
<script type = "text/javascript">
// 定义混入对象
const myMixin = {
  created() {
    this.hello()
  },
  methods: {
    hello() {
      document.write('欢迎来到混入实例-RUNOOB!')
    }
  }
}
 
// 定义一个应用，使用混入
const app = Vue.createApp({
  mixins: [myMixin]
})
 
app.mount('#app') // => "欢迎来到混入实例-RUNOOB!"
</script>
</body>
</html>
              