---
tags: 軟體工程師體驗營 - 2023
---

# 🏅 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 | Eden#9359 | [codepen](https://codepen.io/iseden/pen/BaqZrrM) |
| 2 | Rochel#4754 | [codepen](https://codepen.io/rochelwang1205/pen/VwEWXRd) |
| 3 | charlottelee849#0366 | [codepen](https://codepen.io/char849/pen/PoyjRVV?editors=0012) |
| 4 | Kulimusoda#2785 | [codepen](https://codepen.io/yuch3n_chen/pen/wvYemjO?editors=0011) |
| 5 | chichi#1534 | [codepen](https://codepen.io/chichihuang/pen/WNaOJGr) |
| 6 | 啊和#4729 | [codepen](https://codepen.io/shnny/pen/YzJQLqR?editors=0011) |
| 7 | DeLi#8324 | [codepen](https://codepen.io/delichaomoon/pen/JjmJvbv) |
| 8 | satarkuo#5736 | [codepen](https://codepen.io/SatarKuo/pen/xxyrjdj?editors=1111) |
| 9 | 銀光菇#1692 | [codepen](https://codepen.io/genesynthesis/pen/rNqwvew) |
| 10 | sosla#9673 | [codepen](https://codepen.io/Sosla-Ting/pen/jOewxwM) |
| 11 | Syrena#3897 | [codepen](https://codepen.io/Syrena-Chung/pen/JjmJvEZ) |
| 12 | しあわせね#0036 | [codepen](https://codepen.io/Front-end-engineer/pen/wvYejOz) |
| 13 | 東東#5015 | [codepen](https://codepen.io/wearymask/pen/XWxgqwB?editors=0010) |
| 14 | Skey#9905 | [codepen](https://codepen.io/Dale-Chien/pen/xxyrjyy) |
| 15 | Hanana#9025 | [codepen](https://codepen.io/hananalin/pen/WNaOJMG) |
| 16 | townyuan#2653 | [codepen](https://codepen.io/townyuan/pen/dygRKpP) |
| 17 | Tami#6742 | [Codepen](https://codepen.io/wqsdqbjn-the-vuer/pen/abRwKzX) |
| 18 | LeoSong1116#9861 | [Codepen](https://codepen.io/leosong1116/pen/JjmJZOP?editors=0010) |
| 19 | Snadra#1987 | [Codepen](https://codepen.io/mlqmhltg/pen/GRYEGMr) |
| 20 | LeeRu#1771 | [Codepen](https://codepen.io/IMGameKing/pen/MWPoXQz) |
| 21 | Sabrina#3073 | [Codepen](https://codepen.io/SabrinaGuo/pen/MWPoXOz) |
| 22 | Yuu#5361 | [Codepen](https://codepen.io/alycehwy/pen/ZEqyRMP?editors=0011) |
| 23 | peihsuan#6315 | [Codepen](https://codepen.io/peihsuanlai/pen/bGmRMxw) |
| 24 | JimmyHuang#5281 | [Codepen](https://codepen.io/JimmyHuang369/pen/WNaOyLK) |
| 25 | 魚翅#3100 | [Codepen](https://codepen.io/Fukahire/pen/GRYEGNj) |
| 26 | Quantum#6093 | [Codepen](https://codepen.io/Min-Hao-Hung/pen/RwegBWL) |
| 27 | Kino#5824 | [Codepen](https://codepen.io/Kinolin/pen/RwegBox?editors=1010) |
| 28 | Izumi 泉#9691 | [Codepen](https://codepen.io/kouta-f2e/pen/RwegBKx) |
| 29 | Jacky7035#9423 | [Codepen](https://codepen.io/adens123/pen/RwegBxy) |
| 30 | PayRoom#8328 | [CodePen](https://codepen.io/water38198/pen/XWxgBPN) |
| 31 | 一瑋#8459 | [CodePen](https://codepen.io/zerosula/pen/jOewpWJ) |
| 32 | carrieT#9628 | [CodePen](https://codepen.io/echocarriet/pen/OJBgwBd) |
| 33 | Welly#3964 | [CodePen](https://codepen.io/welly09/pen/zYmzJYz?editors=1111) |
| 34 | 狸貓#5863 | [CodePen](https://codepen.io/tanuki320/pen/dygRqPj?editors=1011) |
| 35 | K（アギルダー）#0386 | [Codepen](https://codepen.io/klay376014/pen/gOBRjVE) |
| 36 | snow#0255 | [Codepen](https://codepen.io/snow21723/pen/wvYejbo) |
| 37 | JhouHank#8132 | [Codepen](https://codepen.io/JhouHank/pen/oNawPXy) |
| 38 | Berlin#7338 | [Codepen](https://codepen.io/3qberlin/pen/BaqZOYo?editors=1010) |
| 39 | bigfrog#0985 | [Codepen](https://codepen.io/bigfrog0102/pen/dygRqzw) |
| 40 | CMLB0212#8960 | [Codepen](https://codepen.io/Chungmin0212/pen/bGmRxrV?editors=0011) |
| 41 | 冬天#5215 | [Codepen](https://codepen.io/winter_/pen/eYPRLKy) |
| 42 | 小明#4408 | [Codepen](https://codepen.io/ujlylmbv-the-lessful/pen/gOBRdzO?editors=1010) |
| 43 | Uli#1946 | [Codepen](https://codepen.io/uli1313/pen/yLRXRBv) |
| 44 | Billy_Ti#9716 | [Codepen](https://codepen.io/Ti-Show/pen/JjmJmjz) |
| 45 | 翔.#0859 | [Codepen](https://codepen.io/energy95272z/pen/dygRgKM?editors=0011) |
| 46 | jia yu#8896 | [Codepen](https://codepen.io/fjqxaznl-the-reactor/pen/LYgLgMG) |
| 47 | 呵哈#6479 | [Codepen](https://codepen.io/CHYETI/pen/JjmJmzY) |
| 48 | Evaxof#1266 | [Codepen](https://codepen.io/evaxof/pen/zYmzmeO?editors=0010) |
| 49 | 135144365#3152 | [Codepen](https://codepen.io/Heng902/pen/mdzwQNQ?editors=1111) |
| 50 | 冷曄#9378 | [Codepen](https://codepen.io/HgHale/pen/ZEqyVzB) |
| 51 | ChaosTu#9311 | [Codepen](https://codepen.io/torotu/pen/ExdXevE?editors=0012) |
| 52 | kai#1098 | [Codepen](https://codepen.io/ahkai/pen/MWPoBWd) |
| 53 | 辣椒#1002 | [Codepen](https://codepen.io/chilichen118/pen/ExdXGEL?editors=1111) |
| 54 | alexmav04#5048 | [Codepen](https://codepen.io/alexmav04/pen/XWxgyxN) |
| 55 | Eero#1147 | [Codepen](https://codepen.io/Eero-Chiao/pen/poxwGga?editors=0011) |
| 56 | 司機叔叔#2463 | [Codepen](https://codepen.io/bigv5566/pen/LYgLqRw) |
| 57 | JasonChang#7847 | [Codepen](https://codepen.io/jsonChangJava/pen/QWZgowJ) |
| 58 | 肉個阿倫#7172 | [Codepen](https://codepen.io/i9574385/pen/VwEWRvb) |
| 59 | jackwu#4437 | [Codepen](https://codepen.io/jackwu1588003/pen/MWPoxoW?editors=0012) |
60 | wayne#9661 | [Codepen](https://codepen.io/waynechen77/pen/xxyrBZV) |
| 61 | cbs#9007 |[Codepen](https://codepen.io/wasdjk/pen/eYPRXxz)|
| 62 | 兔子#6746 |[Codepen](https://codepen.io/CarrotDetector/pen/dygRLRQ?editors=0010)|
| 63 | vvay#4113 |[Codepen](https://codepen.io/pellmssx-the-sasster/pen/KKGqYvN)|
| 64 | Akira#9996 |[Codepen](https://codepen.io/Akira-Chen/pen/eYPRapj?editors=1111)|
| 65 | jelly77#2088 |[Codepen](https://codepen.io/Ming-chiang/pen/KKGqLdy?editors=0011)|
| 66 | wendyli#2155 |[Codepen](https://codepen.io/rockayumitw/pen/wvYebPq?editors=0012)|
| 67 | homer#1525 |[Codepen](https://codepen.io/Buckhorn/pen/vYVZMVq)|
| 68 | David0799#4415 |[Codepen](https://codepen.io/David0799/pen/gOBRJqx)|
| 69 | Ming#8730 |[Codepen](https://codepen.io/MingLin1995/pen/NWOgZge?editors=0012)|
| 70 | clairechen#3498 |[Codepen](https://codepen.io/yi-wen-chen/pen/GRYEbZy)|
| 71 | ray0304#2070 | [Codepen](https://codepen.io/Ray0304/pen/NWOgZPL) |
| 72 | wiimax#4564 | [Codepen](https://codepen.io/willismax/pen/ExdXBKV)|
| 73 | ColinWang#7785 | [Codepen](https://codepen.io/colinjen/pen/eYPRbpv)|
| 74 | 薇拉#8110 | [Codepen](https://codepen.io/michellecc0522/pen/OJBgKJG?editors=1111) |
| 75 | Jennifer Chuang#3937 | [Codepen](https://codepen.io/yujhen/pen/ExdXqav?editors=1111) |
| 76 | 居米#6044 | [Codepen](https://codepen.io/AndyLiu0427/pen/LYgLwaq?editors=1010) |
| 77 | mumu#9719 | [Codepen](https://codepen.io/mumu_mu/pen/eYPEOpK) |
| 78 | N0c7iluc3n7#4390 | [Codepen](https://codepen.io/huang-yu-cheng/pen/NWOvKdv)|
| 79 | 提姆#9581 | [Codepen](https://codepen.io/timouo/pen/ExdXqdR) |
| 80 | duck#3310 | [Codepen](https://codepen.io/papy0715/pen/wvYqwee?editors=1111) |
| 81 | ABOOS#6276 | [Codepen](https://codepen.io/guhungyin/pen/ZEqJzaq?editors=0011) |
| 82 | Alice Su#4613 | [Codepen](https://codepen.io/alice0401/pen/bGmrbOL)|
| 83 | 小依#4947 | [Codepen](https://codepen.io/bababy/pen/xxyLxrE)
| 84 | endau66#2102 | [CodePen](https://codepen.io/endau66/pen/qBJXWzb) |
| 85 | yun #6943 | [CodePen](https://codepen.io/Loraine-Yan/pen/jOeLWpV) |
| 86 | yoyo#1003 | [CodePen](https://codepen.io/pen/OJBjNLN) |
| 87 | PoWei#8484| [CodePen](https://codepen.io/harrison-wei-lai/pen/ExdvKpB?editors=0012)|
| 88 | 姜承#8204 | [CodePen](https://codepen.io/Troy0718/pen/VwEzaGa)|
| 89 | Jin#7238 | [CodePen](https://codepen.io/Hsu-Shih-Ni/pen/jOeLqMa?editors=0012)|
| 90 | Jarvis莊#8679 | [CodePen](https://codepen.io/jason-hsuan/pen/XWxajXR?editors=1111)|
| 91 | YHT#1696 | [CodePen](https://codepen.io/YHT31/pen/PoyKGoV)|
| 92 | Jaredlee#5887 | [CodePen](https://codepen.io/jared-lee/pen/BaqdWvo?editors=0011)|
| 93 | HsuanTang#1349 | [CodePen](https://codepen.io/HsuanTang/pen/dygzWRy)|
| 93 | jimhop#6510 |[CodePen](https://codepen.io/jimsansssss/pen/PoyKmVj)
| 94 | Bruce-Lee#0629 |[CodePen](https://codepen.io/xxhdklwi-the-decoder/pen/yLRoOLP?editors=0111)
| 95 | Janet#5784 |[CodePen](https://codepen.io/janetlinnn/pen/PoyKjZE?editors=1011)
| 96 | 黑白兔#0684 |[CodePen](https://codepen.io/johnny329/pen/RweZZZv)
| 97| 泊岸#3466 |[CodePen](https://codepen.io/qoq77416416/pen/XWxgxgO?editors=0012)
| 98| Ling#2765 |[CodePen](https://codepen.io/linglingsu/pen/ExdvRmG)
| 99| 會飛的兔子#8682 |[CodePen](https://codepen.io/0Naomi0/pen/NWOvBmm?editors=1011)|
| 100 | grayyyy#1014 |[CodePen](https://codepen.io/jhye0222/pen/mdzMGpo)|
| 101 | 安安#4782 |[CodePen](https://codepen.io/ratsai/pen/ZEqJGLj?editors=1111)|
| 102 | lililala#4020 |[CodePen](https://codepen.io/gnituyccc/pen/LYgjJvX)|
| 103 | LycheeKK |[CodePen](https://codepen.io/kakakala/pen/KKGvGaX?editors=0011)|
| 104 | 陳筱喻#1257 |[CodePen](https://codepen.io/aptx4869Emily/pen/KKGvrLP)|
| 105 | Pigsue#5981 |[CodePen](https://codepen.io/weixiii/pen/yLRoGVO?editors=0002)|
| 106 | 貢波波夫#3056 |[CodePen](https://codepen.io/mxgrfgcr-the-bashful/pen/LYgjvWQ)|
| 107 | Cami Wang #0108 |[CodePen](https://codepen.io/irisLife/pen/VwEWRVX)|
| 108 | 大頭#1695 |[CodePen](https://codepen.io/conlyvrg-the-reactor/pen/ExdvBma?editors=1111)|
| 109 | liam9930#4129 |[CodePen](https://codepen.io/jgnjfvvt-the-lessful/pen/VwEzJBz)|
| 110 | lin_lion#7502 |[CodePen](https://codepen.io/Lion-Lin/pen/ZEqXzbv)|
| 111 | JPing#9452 |[CodePen](https://codepen.io/NickLin1225/pen/YzJrKyo)|
| 112 | abalun#6727 |[CodePen](https://codepen.io/abalun52/pen/JjmrPGe)|
| 113 | 肉魚#2149 |[CodePen](https://codepen.io/zoechen13/pen/ExdwYMz)|
| 114 | andychiou#4830 |[CodePen](https://codepen.io/andychiou1113/pen/PoyJqeG)|
| 115 | bonnieli1414#4906 |[CodePen](https://codepen.io/bonnieli1414/pen/VwEMvjK?editors=0012)|
| 116 | Dizzi#4952 |[CodePen](https://codepen.io/dizzi_chang/pen/YzJxoWN)|
| 117 | Mia小福#4473 |[CodePen](https://codepen.io/a0950271/pen/zYmEvLv)|
| 118 | 大昌#6691 |[CodePen](https://codepen.io/jswei014/pen/eYPGROb)|
| 119 | Judy #7874 |[Codepen](https://codepen.io/hsiaohan/pen/XWxeggv?editors=0011)|
|120|阿榮#8277|[Codepen](https://codepen.io/codeitaday/pen/vYVeZop?editors=0011)|
|121|鉦勝#8333|[Codepen](https://codepen.io/atckmax823/pen/wvYeZWw)|
|122|penny#6214|[Codepen](https://codepen.io/penny8989/pen/NWOvNNj?editors=0011)|
|123|汪汪#4486|[Codepen](https://codepen.io/hunwooooof/pen/vYVeWYK)|
|124|君Jyun#0147|[codepen](https://codepen.io/JyunCodepen/pen/BaqwwXZ?editors=1112)|
|125|eLantriC#4247|[codepen](https://codepen.io/eLantriC/pen/vYVeaMe)|
|126|郭芙蘭#6374|[codepen](https://codepen.io/flora_Kuo/pen/wvYrQMr?editors=1011)|
|127|Ying Ying Liu #0836|[codepen](https://codepen.io/yingyliu/pen/qBJPvNB?editors=0011)|
|128|Regina716#9636|[codepen](https://codepen.io/hsu0716/pen/RwejwaR?editors=0011)|
|129|JimWang#6134|[codepen](https://codepen.io/Jim-Wang-the-selector/pen/bGmYdRp?editors=1111)|
|130|長方形#9612|[codepen](https://codepen.io/imjjw/pen/JjmOjaG)|
|131|雲漢#5319|[codepen](https://codepen.io/keon981/pen/LYgOpWV?editors=1011)
|132|Liyiling#4366|[codepen](https://codepen.io/ritaling1021/pen/PoyONjw)
|133|勁霖#1602|[codepen](https://codepen.io/nickwu1229/pen/jOeGbVe)
|134|jun777#2468|[codepen](https://codepen.io/js18151102/pen/jOeaVqr?editors=0011)
|135|andrew0404#4576|[codepen](https://codepen.io/Loonng/pen/wvYPddK?editors=0010)
|136|柚子#3958|[codepen](https://codepen.io/as6625998/pen/MWPOoEz?editors=1011)
|137|變羊魔法#6372|[codepen](https://codepen.io/cssf998811/pen/qBJVLpm)
|138|ssshane#0673|[codepen](https://codepen.io/sam6091260/pen/zYmPQZP)
|139|Yui1024#8275|[codepen](https://codepen.io/Yuiyuichou/pen/bGmawpj)
|140|MitA#7407|[codepen](https://codepen.io/qaz15996398/pen/ExdoNQQ)
|141|鄭舜仁#6606|[codepen](https://codepen.io/randomno/pen/LYgexNo)
|142|ABow_Chen#0800|[codepen](https://codepen.io/fred39392001/pen/eYPeWYW)
|143|Pinkstar#4993|[codepen](https://codepen.io/gabriel09772/pen/RwexgZr)
|144|edie599916#7112|[codepen](https://codepen.io/Chen-CiCi/pen/JjmMydY?editors=0010)
|145|不要迷戀媽的奶#0295|[codepen](https://codepen.io/kewdjbwp-the-typescripter/pen/ZEqvVON?editors=0011)
|146|啊真真#8940|[codepen](https://codepen.io/fctamuvf-the-vuer/pen/OJBzrdB?editors=1111)|
|147|Winnie#2737|[codepen](https://codepen.io/WinnieHuang/pen/MWPrLpe?editors=1111)|
|148|Ataraxia#9977|[codepen](https://codepen.io/ataraxia8888/pen/qBJPWag)|
|149|chicken#1539|[codepen](https://codepen.io/chickenag/pen/PoyEvXY)|
|150|Zhong#8917|[codepen](https://codepen.io/klfjrlod-the-sasster/pen/abREgbj)|
|151|沒所謂#5902|[codepen](https://codepen.io/euazlgul-the-decoder/pen/GRYQjvM)|
|152|betty#0693|[codepen](https://codepen.io/betty-hu/pen/KKGQXXp?editors=0012)|
|153|ruby0316#3380|[codepen](https://codepen.io/rena6211zera/pen/mdzXGVO)|
|154|leo.yujie#8280|[codepen](https://codepen.io/peihsin-the-scripter/pen/WNazrKK)|
|155|喬喬#2824|[codepen](https://codepen.io/joanne-wei/pen/vYVRXVm)|
|156|Neal#7428|[codepen](https://codepen.io/thinkingsmonkey/pen/rNqdWoj?editors=0011)|
|157|Mylène#2481|[codepen](https://codepen.io/hamajibashi/pen/QWZmQwz)|
|158|mangotreeeee#7431|[codepen](https://codepen.io/KingJosephh/pen/qBJoYXB)|
|159|Callmelulu#2290|[codepen](https://codepen.io/callmelulu/pen/rNqdXvR)|
|160|Yvonne#2721|[codepen](https://codepen.io/Evonne/pen/ZEqoEay?editors=0010)
|161|SharonLin#0915|[codepen](https://codepen.io/sharonlin1001/pen/eYPrZpq)
|162|Elena Lin #3922|[codepen](https://codepen.io/elenalin119/pen/KKGegPa?editors=1111)
|163|Jenny真#7532 | [CodePen](https://codepen.io/wei-chen-wu/pen/abRKpJw?editors=1112) |
|164|FanJJ#8061 | [CodePen](https://codepen.io/yfchenn/pen/gOBKxzr?editors=0111) |
|165|Hsiu#8767 | [CodePen](https://codepen.io/amy-hsiu/pen/OJBEMRM?editors=1010) |
|166|QOO#8446 | [CodePen](https://codepen.io/QOOQOOQ/pen/gOBjgNy?editors=0011) |
|167|科科#5463 | [CodePen](https://codepen.io/ilove941120/pen/wvYEvZb?editors=1112) |
|168|Ann Chou#0146 | [CodePen](https://codepen.io/annchou_illu/pen/zYmJKVL) |
|169|Lainie#1931 | [CodePen](https://codepen.io/Lainie88/pen/wvYEopq?editors=1011) |
|170|鹿熙 Lucy#7187| [CodePen](https://codepen.io/JingHuei/pen/mdzGaLg?editors=1010) |
|171|小魚#8614| [CodePen](https://codepen.io/gizelliang/pen/abRarPg)|
|172|alan0305#2423| [CodePen](https://codepen.io/alan0305/pen/bGmjewz)|
|173|remk97#2022| [CodePen](https://codepen.io/remk97/pen/jOevjKR)|
|174|Yihwei#2027| [CodePen](https://codepen.io/auntebur-the-sans/pen/gOBBbWq?editors=0011)|
|175|cherylxie#5898| [CodePen](https://codepen.io/cherylxie912/pen/ExddLOb?editors=0012)|
|176|Tim123#8361| [CodePen](https://codepen.io/Wangtim4/pen/PoyxWqW?editors=0012)|
|177| FiReBrO#0557 | [CodePen](https://codepen.io/firebro42/pen/oNaQdgB)|
|178| alll6z#9204 | [CodePen](https://codepen.io/A6Z/pen/QWZJZeM)|
|179| 浪裡小白龍#6860 | [CodePen](https://codepen.io/Emillo/pen/BaqvKJy?editors=0011)|
|180| Shiloh#8447 | [CodePen](https://codepen.io/pkezwtnq-the-encoder/pen/qBJLReb?editors=0012)|
|181| hello77tw#5984 | [CodePen](https://codepen.io/luyoyo/pen/OJBrmwP?editors=1112)|
|182| Döng#2328 | [CodePen](https://codepen.io/htamlkdz-the-encoder/pen/xxyMxdM?editors=1111)|
|183| Calvin#0523 | [CodePen](https://codepen.io/CalvinChang/pen/RwevxBL?editors=0011)|
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