877acb5a8f
- Implemented exercises for array high-order methods, memory and execution, switch statements, and final review. - Added starter and answer files for each exercise to facilitate learning. - Created a runner HTML file to execute JavaScript code and display console outputs. - Updated README files to include exercise objectives, tasks, and usage instructions.
28 lines
650 B
Markdown
28 lines
650 B
Markdown
# 练习 5：函数
|
||
|
||
## 目标
|
||
|
||
学会把一段逻辑封装成函数，并通过参数和返回值复用它。
|
||
|
||
## 你要练什么
|
||
|
||
- 函数声明
|
||
- 参数
|
||
- `return`
|
||
- 函数调用
|
||
|
||
## 任务
|
||
|
||
请完成一个“学习成绩处理器”，要求：
|
||
|
||
- 写一个 `getAverage` 函数
|
||
- 接收 3 个分数参数
|
||
- 返回平均分
|
||
- 再写一个 `getLevel` 函数
|
||
- 根据平均分返回“优秀”“良好”“继续努力”
|
||
|
||
## 文件
|
||
|
||
- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/03-javascript-core/05-functions/starter.js)
|
||
- [answer.js](/Users/lijiaqing/home/wwwroot/front-end-example/03-javascript-core/05-functions/answer.js)
|