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front-end-example/05-es6-plus/07-arrow-this/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 7：箭头函数里的 this

目标

理解箭头函数不会创建自己的 this。

你要练什么

  • 箭头函数
  • this
  • 定时器回调

任务

  • 在对象方法里用箭头函数处理 setTimeout
  • 让延迟输出仍然拿到当前对象的名称

文件