Files
front-end-example/08-vue3/11-before-hooks-and-expose/README.md
charlie d0d8be443b 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.
2026-03-24 23:02:58 +08:00

25 lines
735 B
Markdown
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# 练习 11before 系列生命周期和 expose
## 目标
学会在组合式 API 中使用 before 系列生命周期,并理解子组件如何有选择地暴露能力给父组件。
## 你要练什么
- `onBeforeMount`
- `onBeforeUpdate`
- `onBeforeUnmount`
- `expose`
## 任务
- 在不同生命周期里输出日志
- 父组件通过模板 `ref` 获取子组件实例
- 子组件通过 `expose` 暴露一个 `focusInput` 方法
- 父组件点击按钮后调用这个暴露出来的方法
## 文件
- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/11-before-hooks-and-expose/starter.html)
- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/11-before-hooks-and-expose/starter.js)