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.
24 lines
700 B
Markdown
24 lines
700 B
Markdown
# 练习 7：箭头函数里的 this
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## 目标
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理解箭头函数不会创建自己的 `this`。
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## 你要练什么
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- 箭头函数
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- `this`
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- 定时器回调
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## 任务
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- 在对象方法里用箭头函数处理 `setTimeout`
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- 让延迟输出仍然拿到当前对象的名称
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## 文件
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- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/07-arrow-this/starter.html)
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- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/07-arrow-this/starter.js)
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- [answer.html](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/07-arrow-this/answer.html)
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- [answer.js](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/07-arrow-this/answer.js)
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