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.
24 lines
576 B
Markdown
24 lines
576 B
Markdown
# 练习 4：生命周期和模板 ref
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## 目标
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学会在组合式 API 里使用生命周期钩子，并通过模板 `ref` 获取 DOM。
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## 你要练什么
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- `onMounted`
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- `onUpdated`
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- `onUnmounted`
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- 模板 `ref`
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## 任务
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- 页面挂载后自动聚焦输入框
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- 数据更新后输出日志
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- 页面卸载前清理定时器
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## 文件
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- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/04-lifecycle-and-template-ref/starter.html)
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- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/04-lifecycle-and-template-ref/starter.js)
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