---
tags: 軟體工程師體驗營 - 2024
---

# 🏅 JS 任務 Day2 - 數字處理

## 提示
1. [JavaScript 數字方法](https://www.w3school.com.cn/js/js_number_methods.asp)

### 題目一：平方計算

// input 輸入
square(3)
square(9)
square(20)
// output 輸出
9
81
400

### 題目二：數學邏輯題

// input 輸入
calculate(5,7,3)
calculate(9,8,7)
calculate(5,2,0)
calculate(9,9,33)

// output 輸出
9
10
7
-15

### 題目三：四捨五入題

// input 輸入
rounding(3.9988)
rounding(3984.222)
rounding(77.777)

// output 輸出
4.00
3984.22
77.78

### 題目四：字串轉數字

// input 輸入
parseNumber("2.33")
parseNumber("Hello!!")
parseNumber("30000")

// output 輸出
2.33
NaN
30000

### 題目五：被二整除
:::spoiler #### 提示
可以用 % 取餘數
:::

// input 輸入
divisible(2)
divisible(3)
divisible(77)
divisible(88)

// output 輸出
0
1
1
0

## 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」）


回報區
---

| 報數 | Discord 名字 | Codepen／其他回饋 |
|:----:|:------------:|:-----------------------------------------------------------------------------:|
| 1 | jerry |[Codepen](https://codepen.io/sony791210/pen/wvZOoXQ)|
| 2 | 阿若 | [Codepen](https://codepen.io/skar5268/pen/qBwvqLj)|
| 3 | Aya | [Codepen](https://codepen.io/NoNameNote/pen/LYvabJL)|
| 4 | Lauren | [Codepen](https://codepen.io/Lauren8/pen/VwNRPLx) |
| 5 | Larry | [Codepen](https://codepen.io/larrylinr5/pen/poBYRyg?editors=1011) |
| 6 | 小米 | [Codepen](https://codepen.io/hlgudwue-the-typescripter/pen/OJGqWWY) |
| 7 | LiLiLiLi | [CodePen](https://codepen.io/jungang0414/pen/ExJMZoo?editors=0010) |
| 8 | Kai | [CodePen](https://codepen.io/imkaikai9997874/pen/xxeBggP?editors=1011) |
| 9 | yunyouob | [Codepen](https://codepen.io/ozkkvlsu-the-animator/pen/dyLrNjQ?editors=1111) |
| 10 | Daphne | [Codepen](https://codepen.io/DaphneShen/pen/eYoXvJr?editors=1111) |
| 11 | MDFK | [Codepen](https://codepen.io/aqcrrhwb/pen/GRLerYV?editors=0012) |
| 12 | 啞鈴 | [Codepen](https://codepen.io/TinaTing/pen/yLrwMYP?editors=1111) |
| 13 | LGJason |[Codepen](https://codepen.io/j811108/pen/WNWmpjE) |
| 14 | Joey一針| [Codepen](https://codepen.io/Joeychou/pen/ExJMWvr) |
| 15 | Zander |[Codepen](https://codepen.io/chuangmaster/pen/VwNRpXL?editors=0011) |
| 16 | Sammy |[Codepen](https://codepen.io/fsczdlla-the-bold/pen/YzMgZpz?editors=1111) |
| 17 | JUN_| [Codepen](https://codepen.io/Jun-L/pen/RwOdpdo?editors=1111) |
| 18 | Elva Su | [Codepen](https://codepen.io/evensu_/pen/ExJMZqp?editors=0011) |
| 19 | mike_2049 |[Codepen](https://codepen.io/mike2049/pen/JjVzWow) |
| 20 | yicheng | [Codepen](https://codepen.io/YiChengCHANG/pen/qBwvmPq?editors=1111) |
| 21 | Chia Pin | [Codepen](https://codepen.io/joker-cat/pen/vYMPmee) |
| 22 | boin | [Codepen](https://codepen.io/boinji/pen/bGJZWgj?editors=1111) |
| 23 | liugod3824🔥 | [Codepen](https://codepen.io/kjssvtkr-the-animator/pen/qBwvmJm?editors=0012)✔ |
| 24 | joy1712 | [Codepen](https://codepen.io/Joy1712/pen/LYvayyb?editors=1012)✔ |
| 25 | Ariel | [Codepen](https://codepen.io/ariel0510/pen/ZEZPyQO?editors=0010) |
| 26 | 詹姆士 | [Codepen](https://codepen.io/z111048/pen/BaEbZNE?editors=1111) |
| 27 | 小趴 | [Codepen](https://codepen.io/papa2415/pen/wvZOewZ) |
| 28 | Yuwen | [Codepen](https://codepen.io/Yuwen-the-reactor/pen/MWRxoEJ?editors=1112)|
| 29 | Casey | [Codepen](https://codepen.io/Caseyyyyyyyyyyyyyy/pen/LYvaLYO) |
| 30 | 宇 | [Codepen](https://codepen.io/jian-yu-chen/pen/mdgowVz)|
| 31 |Emma|[Codepen](https://codepen.io/huang_L/pen/qBwvjxK)|
| 32 | Toung | [Codepen](https://codepen.io/Toung/pen/jORJwyb) |
| 33 | han | [Codepen](https://codepen.io/iamHanCheng/pen/KKYEmNJ?editors=1111) |
| 34 | Six | [Codepen](https://codepen.io/Max-kuo/pen/yLrwoNz?editors=0011) |
| 35 | 黛西 | [Codepen](https://codepen.io/ChiashengLin/pen/PogLKoP?editors=1111) |
| 36 | Haley | [Codepen](https://codepen.io/wsx3690/pen/PogLKmz) |
| 37 | macihuang | [Codepen](https://codepen.io/macy1215/pen/xxeBrPY) |
| 38 | Camila | [Codepen](https://codepen.io/camilalo/pen/wvZOqje) |
| 39 | Winnie | [Codepen](https://codepen.io/codepen-io-winnie/pen/jORJyRy?editors=0011) |
| 40 | Peggy | [Codepen](https://codepen.io/eqelytbi-the-animator/pen/JjVzNJK) |
| 41 | 紫珩 | [Codepen](https://codepen.io/tzhengliin/pen/oNOVeQX?editors=0010) |
| 42 | WEIWEI | [Codepen](https://codepen.io/weiwei93/pen/MWRxvQX) |
| 43 | damon0323 | [Codepen](https://codepen.io/swk9eny2/pen/BaEbwVO?editors=0111) |
| 44 | Mionne | [Codepen](https://codepen.io/neohyntw/pen/OJGqxoo) |
| 45 | yuling | [Codepen](https://codepen.io/igzdflpu/pen/jORJGPv?editors=0111) |
| 46 | 薛逢 | [Codepen](https://codepen.io/vogqyrrj-the-selector/pen/XWQGzWN) |
| 47 | Daisy Li | [Codepen](https://codepen.io/lidairong-gmail-com/pen/ZEZPaLB?editors=0012) |
| 48 | Chingya | [Codepen](https://codepen.io/chingya1214/pen/oNOVpgV) |
| 49 | Ana | [Codepen](https://codepen.io/Ana-Wu/pen/LYvaWWK?editors=1112)|
| 50 | Eden | [Codepen](https://codepen.io/iseden/pen/oNOVpxO)|
| 51 | emmayo | [Codepen](https://codepen.io/emmayo/pen/RwOdxBa) |
| 52 | Ellie | [Codepen](https://codepen.io/Ellie-Chiang/pen/VwNRywO) |
| 53 | Tanyaaaa | [Codepen](https://codepen.io/tanya77777/pen/eYoXyxb) |
| 54 | KUN. | [Codepen](https://codepen.io/barry91205/pen/yLrwvOZ) |
| 55 | oyll | [Codepen](https://codepen.io/dizzydog-rgb/pen/YzMgePp) |
| 56 | suandme | [Codepen](https://codepen.io/su-su-the-sans/pen/GRLeybW?editors=1111) |
| 57 | Dobe | [Codepen](https://codepen.io/lisebee/live/PogLQXd) |
| 58 | Kaya | [Codepen](https://codepen.io/kayaribi/pen/bGJZLKQ) |
| 59 | Kasie | [Codepen](https://codepen.io/KasieL/pen/jORJZeo?editors=0011) |
| 60 | Ted | [Codepen](https://codepen.io/bomtovou-the-animator/pen/VwNRQOy?editors=1111) |
| 61 | brucelee0629 | [Codepen](https://codepen.io/xxhdklwi-the-decoder/pen/NWmJyze?editors=1011) |
| 62 | JY | [Codepen](https://codepen.io/jylee0805/pen/ExJMQbV?editors=0011) |
| 63 | leo.chang | [Codepen](https://codepen.io/s16777216/pen/vYMPRGa) |
| 64 | Jiahe | [Codepen](https://codepen.io/Andywang-95/pen/MWRxvar?editors=0012) |
| 65 | 閆安 | [Codepen](https://codepen.io/yanann7777/pen/YzMgaKa?editors=0011) |
| 65 | 灣灣 | [Codepen](https://codepen.io/fygdvrkl-the-sasster/pen/xxeBjGy) |
| 66 | una | [Codepen](https://codepen.io/gnamfxwh-the-builder/pen/PogLeKz?editors=0010) |
| 67 | CrystalLala | [Codepen](https://codepen.io/crystallala/pen/OJGqvGP) |
| 68 | Guan(yangguan.) | [Codepen](https://codepen.io/Yang-guan/pen/MWRxGBB?editors=1111) |
| 69 | Amy(咂摳) | [Codepen](https://codepen.io/nnxucgmc-the-builder/pen/PogLeVm?editors=1111) |
| 70 | 禮央 (れお) | [CodePen](https://codepen.io/J-Y-P/pen/vYMPRZV)|
| 71 | Andy_12 | [Codepen](https://codepen.io/lifann/pen/YzMgvKG?editors=0011) |
| 72 | ninii傳教士 | [Codepen](https://codepen.io/niiniiii/pen/zYXbvod?editors=1111) |
| 73 | Tough life | [codepen](https://codepen.io/hakuei0115/pen/OJGqENz) |
| 74 | sweewei | [codepen](https://codepen.io/sweewei-Law/pen/PogLamQ?editors=1112) |
| 75 | melissaa| [codepen](https://codepen.io/melissa-chou/pen/QWPoxgJ) |
| 76 | ss58580| [codepen](https://codepen.io/ss585801/pen/zYXbadx?editors=0011) |
| 77 | 嵬 | [codepen](https://codepen.io/Obivld/pen/rNbRzYq) |
| 78 | marklan | [Codepen](https://codepen.io/fantasybluz/pen/PogLBpL?editors=1111) |
| 79 | Frank Chiang | [Codepen](https://codepen.io/frankchiang/pen/RwOdyvG) |
| 80 | MY | [Codepen](https://codepen.io/ahmomoz/pen/VwNRRqq?editors=1011) |
| 81 | s870012 | [Codepen](https://codepen.io/idzrvbnl-the-bashful/pen/jORJRwL?editors=1111) |
| 82 | 樂樂 | [Codepen](https://codepen.io/Wpypy/pen/poBYBOL?editors=1011) |
| 83 | QOO | [Codepen](https://codepen.io/QOOQOOQ/pen/ZEZPPzb?editors=1011)
| 84 | Mika | [Codepen](https://codepen.io/shumtzhz-the-encoder/pen/XWQGvJZ) |
| 85 | kevinwen |[Codepen](https://codepen.io/wenwoo/pen/QWPoeaM?editors=1111)
| 86 | fantuan0695 | [Codepen](https://codepen.io/iqtzhkrw-the-vuer/pen/ExJMGdM?editors=0010) |
|87|pcw|[codepen](https://codepen.io/paicheng0111/pen/vYMMOXg)
|88| 王二哈 | [Codepen](https://codepen.io/kephxnhfh0927/pen/mdggexa?editors=1111) |
|89| Maca | [CodePen](https://codepen.io/wcfngvyx-the-encoder/pen/QWPPLqZ)|
| 90 | zaoannihao | [Codepen](https://codepen.io/ckhwdvrx-the-solid/pen/gOyyPBw) |
| 91 | jianshirong9528 | [Codepen](https://codepen.io/ydmindfw-the-looper/pen/LYvvZPL) |
| 92 | 黛Dye | [Codepen](https://codepen.io/Dye_Note/pen/wvZZoWp?editors=1111) |
|93 | kebukeyi | [Codepen](https://codepen.io/kebukeyi/pen/ExJJZXm?editors=1111) |
|94 | sylviabuy | [Codepen](https://codepen.io/sylviabela/pen/OJGGxyg?editors=1111) |
| 95 | Shawn | [Codepen](https://codepen.io/Zhang-shawn-the-typescripter/pen/ExJJXdw?editors=1112) |
| 96 | cindyLo | [Codepen](https://codepen.io/cindy820218/pen/rNbbzZZ) |
|97|Michelle0417|[codePen](https://codepen.io/michelle0417/pen/BaEEmqX) |
| 98 | yuan! | [Codepen](https://codepen.io/townyuan/pen/abxxEya) |
|99|Rio|[CodePen](https://codepen.io/wei_wu/pen/KKYYQVe?editors=1010)|
| 100 | Shiny |[CodePen](https://codepen.io/shinychen/pen/QWPPMzq)|
| 101 | Stone |[CodePen](https://codepen.io/stonetein/pen/oNOOdBm?editors=0011)|
| 102 | 快樂小豬 |[CodePen](https://codepen.io/rtjowfyf-the-lessful/pen/WNWWJqZ?editors=1111)|
| 103 | tim |[CodePen](https://codepen.io/jskrtivy-the-animator/pen/RwOOJXx?editors=1111)|
| 104 | emmazhang. |[CodePen](https://codepen.io/zhangemma/pen/oNOOPNP)|
| 105 | 白白 |[CodePen](https://codepen.io/YuBai/pen/abxxRme?editors=0011)|
| 106 | Antonio |[CodePen](https://codepen.io/gwhvusel-the-builder/pen/dyLLgRM)|
|107|Ching|[CodePen](https://codepen.io/huangching/pen/MWRRPZd)|
| 108 | Ed Huang | [Codepen](https://codepen.io/yide1986/pen/YzMMJBQ?editors=1012) |
|109|weeixunzht|[CodePen](https://codepen.io/CalebZhang/pen/RwOOeBg)|
| 110| YuZhun | [Codepen](https://codepen.io/danzhun/pen/abxxegX?editors=0011) |
| 111 | jami_37521 | [Codepen](https://codepen.io/jamiHexo/pen/bGJybRa) |
| 112 | oldan | [Codepen](https://codepen.io/Enix-Chien-/pen/JjVqjKE) |
| 113 | yu.t_liu | [Codepen](https://codepen.io/YuT200053/pen/bGJywap) |
| 114 | Shiloh | [Codepen](https://codepen.io/vhswacvv-the-sasster/pen/zYXXgoR?editors=1111) |
| 115 | yuhuei2513 | [Codepen](https://codepen.io/rsosijvr-the-flexboxer/pen/LYvoOPR?editors=0010) |
| 116 | 婉玲Dacy | [Codepen](https://codepen.io/xxaynqoq-the-animator/pen/yLrWzGZ?editors=1111) |
| 117 | .zack_p | [Codepen](https://codepen.io/Designer-PH/pen/YzMbYVB) |
| 118 | Teddy | [Codepen](https://codepen.io/f91lo90ne18/pen/BaEeryx) |
| 119 | jcode0x378 | [Codepen](https://codepen.io/jeffreylin1990/pen/NWmVyZB?editors=0012) |
| 120 | kawa | [Codepen](https://codepen.io/z83xji6/pen/LYvomYd?editors=1011) |
| 121 | alastor0769 | [Codepen](https://codepen.io/euibzoez-the-decoder/pen/RwOmyLm) |
| 122 | isongzhe | [Codepen](https://codepen.io/Isongzhe/pen/JjVqazw) |
| 123 | hao jing | [Codepen](https://codepen.io/hjxu/pen/NWmVLwx?editors=1011) |
|124|aoya9155|[Codepen](https://codepen.io/aoya2139/pen/yLrWRPq)|
| 125 | yo0x0oy |[Codepen](https://codepen.io/Dayton-Hsieh/pen/mdgYYyJ)|
| 126 | easonpan | [Codepen](https://codepen.io/cmhzzryu/pen/OJGeLaj) |
| 127 | Eileen | [Codepen](https://codepen.io/Eileen-io/pen/vYMqBVX) |
|128|discat3119| [Codepen](https://codepen.io/dizzysoup/pen/MWRMKej)
|129|Ran|[Codepen](https://codepen.io/Ran-Ran-the-typescripter/pen/JjVQJPd?editors=1011)|
|130|maru3096|[Codepen](https://codepen.io/deamru/pen/ZEZdXRq)
|131|l.shua_228| [Codepen](https://codepen.io/Shan-Hua-Lin-LIN-HUA/pen/KKYjXWy) |
|132|SC| [Codepen](https://codepen.io/Lance99501/pen/oNOrpPa) |
|133| pon00219 | [Codepen](https://codepen.io/pen/?editors=0011) |
| 134 | powei#8484 | [Codepen](https://codepen.io/Po-Wei-Lai/pen/MWRMqgw?editors=1111) |
| 135 | 杰_jie | [Codepen](https://codepen.io/hmj8805/pen/rNbXxbG?editors=1111) |
| 136 |james867.| [Codepen](https://codepen.io/JCT34/pen/gOyVLXP?editors=0010)|
| 137 |asabulu_von_f| [Codepen](https://codepen.io/asabulu/pen/MWRNQGQ?editors=0012) |
| 138 | Brian | [Codepen](https://codepen.io/ioriayakasese/pen/zYXgRPL?editors=1111) |
| 139 | 知夜 | [Codepen](https://codepen.io/XiaoXiaTian2/pen/LYvwmyz?editors=1111) |
| 140 | Richard | [Codepen](https://codepen.io/dick90012000/pen/BaEXxEB)|
| 141 | Sonia | [Codepen](https://codepen.io/YUJOU/pen/ExJqeRX?editors=1112)|
| 142 | arvin | [Codepen](https://codepen.io/arvinyang1925/pen/YzMmJKd?editors=0011) |
| 143 | ikpolo | [Codepen](https://codepen.io/ikpolo/pen/qBweeoP) |
| 144 | knight137727 | [Codepen](https://codepen.io/SST13/pen/yLWBLrr?editors=0010) |
| 145 | jerrry_66983 | [Codepen](https://codepen.io/Barry-C/pen/PovYwZa?editors=0110) |
| 146 | 艾洛 | [Codepen](https://codepen.io/Ironance/pen/abxgyzW) |
| 147 | Jainee | [Codepen](https://codepen.io/Jainee0110/pen/qBGWrdq) |
<!-- 【快速複製】
| 00 | user | [Codepen]() |

-->