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.
668 B
668 B
练习 3：运算符和条件判断
目标
学会比较数据，并根据不同条件输出不同结果。
你要练什么
- 算术运算符
- 比较运算符
- 逻辑运算符
if...else if...else
任务
请完成一个“成绩评级”脚本，要求：
- 根据分数计算是否及格
- 根据分数输出等级
- 90 分及以上为 A
- 80 到 89 为 B
- 60 到 79 为 C
- 60 以下为 D