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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 8Promise 和渲染

目标

学会在 Promise 完成后把结果渲染到页面。

你要练什么

  • Promise
  • .then()
  • catch()
  • loading 状态

任务

  • 点击按钮后显示“加载中”
  • 等待 Promise 返回数据
  • 把课程名称渲染到列表
  • 如果失败,显示错误信息

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