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.
This commit is contained in:
charlie
2026-03-19 10:06:11 +08:00
parent 69a4ae3178
commit f3bdaa4e88
146 changed files with 5951 additions and 9 deletions

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# 练习 5Promise 基础
## 目标
学会用 Promise 表达异步结果。
## 你要练什么
- Promise
- `.then()`
- `.catch()`
## 任务
- 调用模拟请求函数
- 成功时渲染课程数据
- 失败时渲染错误状态
## 文件
- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/05-promise-basics/starter.html)
- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/05-promise-basics/starter.js)
- [answer.html](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/05-promise-basics/answer.html)
- [answer.js](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/05-promise-basics/answer.js)

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Promise 基础</title>
</head>
<body>
<p id="status">等待加载</p>
<pre id="output"></pre>
<script src="./answer.js"></script>
</body>
</html>

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function loadTracks() {
return new Promise((resolve) => {
setTimeout(() => {
resolve(["模板字符串", "模块化", "async/await"]);
}, 700);
});
}
const status = document.getElementById("status");
const output = document.getElementById("output");
status.textContent = "加载中...";
loadTracks()
.then((tracks) => {
status.textContent = "加载完成";
output.textContent = tracks.join("\n");
})
.catch(() => {
status.textContent = "加载失败";
});

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Promise 基础</title>
</head>
<body>
<p id="status">等待加载</p>
<pre id="output"></pre>
<script src="./starter.js"></script>
</body>
</html>

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function loadTracks() {
return new Promise((resolve) => {
setTimeout(() => {
resolve(["模板字符串", "模块化", "async/await"]);
}, 700);
});
}
// 任务:
// 1. 调用 loadTracks()
// 2. 成功时更新状态和输出内容
// 3. 失败时更新状态