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front-end-example/08-vue3/04-lifecycle-and-template-ref/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

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练习 4：生命周期和模板 ref

目标

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。

你要练什么

  • onMounted
  • onUpdated
  • onUnmounted
  • 模板 ref

任务

  • 页面挂载后自动聚焦输入框
  • 数据更新后输出日志
  • 页面卸载前清理定时器

文件