---
tags: 公益程式體驗營 - 2022
---

# 🏅 5/10(二) 每日 JS 刷題任務 - if 流程判斷 II

### 題目一：日幣計算機 (1:0.32)

// input 輸入
TWDtoJPY(-1)
TWDtoJPY("hi~")
TWDtoJPY(2000)
TWDtoJPY(320)
// output 輸出
"...沒錢別來亂"
"當我看不懂字串？？"
"你換到的日幣有：6250"
"你換到的日幣有：1000"

### 題目二：匯率計算機
* 美金：1:29
* 港幣：1:3
* 英鎊：1:35

// input 輸入
TWDtoAnother(100,"USD")
TWDtoAnother(100,"Sword Art Online")
TWDtoAnother(100,"HKD")
TWDtoAnother(100,"GBP")

// output 輸出
"2900"
"..."
"300"
"3500"

### 題目三：BMI 計算機
* [公式](http://depart.femh.org.tw/dietary/3opd/bmi.htm)

// input 輸入 
// BMI(身高,體重)

// output 輸出
"正常"
"重度肥胖"
"中度肥胖"
"輕度肥胖"
"過重"
"過輕"

## 進階題，不適合新手
### 字串切割+if
* 如果第一個數字是質數，請將第二、三個數字加總
* 如果第一個數字是偶數，請將第二、三個數字相減
* 如果第一個數字不是質數也不是偶數，請將第二、三個數字相乘

// input 輸入
sum("13,20,10")
sum("10,2,3")
sum("9,5,7")
// output 輸出
30
-1
35

## 回報流程

1. 將答案貼在 Codepen 並複製 Codepen 連結貼至「回報區」回報
（也可以將答案直接貼至「回報區」）


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