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.
25 lines
816 B
Markdown
25 lines
816 B
Markdown
# 练习 2：展开运算符和剩余参数
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## 目标
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学会复制数组、合并对象，以及用剩余参数接收不定数量的参数。
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## 你要练什么
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- 数组展开
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- 对象展开
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- 剩余参数
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## 任务
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- 复制一份课程数组并新增一项
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- 基于用户对象生成一个更新后的对象
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- 写一个 `sumScores` 函数，用剩余参数计算总分
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## 文件
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- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/02-spread-and-rest/starter.html)
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- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/02-spread-and-rest/starter.js)
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- [answer.html](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/02-spread-and-rest/answer.html)
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- [answer.js](/Users/lijiaqing/home/wwwroot/front-end-example/05-es6-plus/02-spread-and-rest/answer.js)
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