---
tags: 公益程式體驗營 - 2022
---

# 🏅 5/6(五) 每日 JS 刷題任務 - 比較與邏輯運算子
## 提示
1. [MDN：運算式與運算子](https://developer.mozilla.org/zh-TW/docs/Web/JavaScript/Guide/Expressions_and_Operators)

### 題目一：比大小

// input 輸入
higher(3,2)
higher(100,299)
higher(8,2.5)
// output 輸出
true
false
true

### 題目二：布林反轉
:::spoiler 提示(點擊箭頭顯示)
* [! NOT 反轉](https://developer.mozilla.org/zh-TW/docs/Web/JavaScript/Guide/Expressions_and_Operators#%E9%82%8F%E8%BC%AF%E9%81%8B%E7%AE%97%E5%AD%90)
:::

// input 輸入
booleanToggle(true)
booleanToggle(false)
// output 輸出
false
true

### 題目三：型別判斷

// input 輸入
checkType(3.33)
checkType("Hello")
checkType(true)
checkType([1,2,3])
// output 輸出
"number"
"string"
"boolean"
"object"

### 題目四：打八折後，是否總價大於 100 元

// input 輸入
onSale(200)
onSale(150)
onSale(125)
onSale(100)
// output 輸出
true
true
false
false

### 題目五：是否大於 200，且符合會員條件

// input 輸入
checkVIP(300,true)
checkVIP(0,true)
checkVIP(30000,false)
checkVIP(888,true)
// output 輸出
true
false
false
true

## 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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