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front-end-example/04-dom-events-async/04-click-counter/README.md
charlie f3bdaa4e88 feat: add TypeScript lessons and learning panel
- Introduced a new script to check TypeScript lesson files for errors.
- Created a main TypeScript file to render lessons and their details.
- Added lesson definitions with starter and answer codes.
- Implemented a user interface for navigating and running lessons.
- Styled the application with CSS for a better user experience.
- Updated README to reflect the new TypeScript section and usage instructions.
2026-03-19 10:06:11 +08:00

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# 练习 4点击计数器
## 目标
学会给按钮绑定点击事件,并更新页面数据。
## 你要练什么
- `addEventListener`
- 点击事件
- 数字状态更新
- DOM 渲染
## 任务
- 点击加一按钮时计数加 1
- 点击减一按钮时计数减 1
- 点击重置按钮时恢复为 0
## 文件
- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/04-click-counter/starter.html)
- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/04-click-counter/starter.js)
- [answer.html](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/04-click-counter/answer.html)
- [answer.js](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/04-click-counter/answer.js)