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.
26 lines
839 B
Markdown
26 lines
839 B
Markdown
# 练习 7：setTimeout 和异步顺序
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## 目标
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理解同步代码和异步回调的执行先后顺序。
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## 你要练什么
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- `setTimeout`
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- 同步顺序
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- 异步回调
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- DOM 日志输出
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## 任务
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- 点击按钮后先输出“开始执行”
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- 再立刻输出“同步代码结束”
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- 然后延迟输出“异步回调完成”
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## 文件
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- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/07-timers-and-async-order/starter.html)
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- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/07-timers-and-async-order/starter.js)
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- [answer.html](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/07-timers-and-async-order/answer.html)
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- [answer.js](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/07-timers-and-async-order/answer.js)
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