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.
27 lines
804 B
Markdown
27 lines
804 B
Markdown
# 练习 8：Promise 和渲染
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## 目标
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学会在 Promise 完成后把结果渲染到页面。
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## 你要练什么
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- Promise
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- `.then()`
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- `catch()`
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- loading 状态
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## 任务
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- 点击按钮后显示“加载中”
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- 等待 Promise 返回数据
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- 把课程名称渲染到列表
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- 如果失败，显示错误信息
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## 文件
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- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/08-promise-and-render/starter.html)
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- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/08-promise-and-render/starter.js)
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- [answer.html](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/08-promise-and-render/answer.html)
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- [answer.js](/Users/lijiaqing/home/wwwroot/front-end-example/04-dom-events-async/08-promise-and-render/answer.js)
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