rou/front-end-example

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charlie 3435848495 feat: add Vue2 exercises for dynamic styles, lifecycle methods, component communication, and course management dashboard

- Implement dynamic styles and event handling in Vue2 with a card component.
- Create lifecycle methods exercise to simulate async data loading and instance destruction.
- Develop a component communication exercise with props, events, and slots.
- Build a comprehensive course management dashboard with filtering, statistics, and component interactions.

2026-03-23 10:09:29 +08:00

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练习 5：computed 和 watch

目标

学会区分“根据已有数据推导结果”和“监听变化做额外动作”。

你要练什么

computed
watch
数据推导
监听输入变化

任务

请基于页面结构完成以下操作：

根据关键字过滤课程列表
用 computed 计算过滤结果数量
用 watch 在关键字变化时输出日志

文件