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 5：泛型函数
目标
理解泛型是在保持输入输出类型一致。
你要练什么
- 泛型
<T> - 输入输出同类型
任务
- 写一个
getData泛型函数 - 传入什么类型，就返回什么类型
- 分别用数字和字符串调用