f3bdaa4e88
- 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.
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