d0d8be443b
- 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.
25 lines
655 B
Markdown
25 lines
655 B
Markdown
# 练习 9：toRef、toRefs 和 readonly
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## 目标
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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。
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## 你要练什么
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- `toRef`
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- `toRefs`
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- `readonly`
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## 任务
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- 用 `reactive` 管理学习者信息
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- 用 `toRef` 单独取出 `name`
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- 用 `toRefs` 拆出其余字段
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- 用 `readonly` 包一层设置项
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- 点击按钮更新学习者信息并观察页面变化
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## 文件
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- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/09-reactivity-helpers/starter.html)
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- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/09-reactivity-helpers/starter.js)
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