feat: Add Vue3 exercises and interview plan

- Introduced Vue3 exercises covering composable API, reactivity, lifecycle hooks, and built-in components.
- Added structured interview plan for frontend candidates focusing on HTML, CSS, JavaScript, TypeScript, and Vue.
- Included starter files for each exercise and detailed README documentation for guidance.
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charlie
2026-03-24 23:02:58 +08:00
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# 练习 9toRef、toRefs 和 readonly
## 目标
学会把响应式对象里的字段拆出来继续保持响应式,并理解只读数据的使用场景。
## 你要练什么
- `toRef`
- `toRefs`
- `readonly`
## 任务
-`reactive` 管理学习者信息
-`toRef` 单独取出 `name`
-`toRefs` 拆出其余字段
-`readonly` 包一层设置项
- 点击按钮更新学习者信息并观察页面变化
## 文件
- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/09-reactivity-helpers/starter.html)
- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/09-reactivity-helpers/starter.js)