菜鸟教程在线编辑器

AI 编程工具
 
                <!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/3.0.5/vue.global.js"></script>
</head>
<body>
<div id="app">
 
</div>
    
<script>
const app = {
  data() {
    return {
      name: 'Google',
      url: 'https://www.google.com'
    }
  },
  computed: {
    site: {
      // getter
      get: function () {
        return this.name + ' ' + this.url
      },
      // setter
      set: function (newValue) {
        var names = newValue.split(' ')
        this.name = names[0]
        this.url = names[names.length - 1]
      }
    }
  }
}
vm = Vue.createApp(app).mount('#app')
document.write('name: ' + vm.name);
document.write('<br>');
document.write('url: ' + vm.url);
document.write('<br>------ 更新数据 ------<br>');
// 调用 setter， vm.name 和 vm.url 也会被对应更新
vm.site = '菜鸟教程 https://www.248k.com';
document.write('name: ' + vm.name);
document.write('<br>');
document.write('url: ' + vm.url);
</script>
</body>
</html>
              