---
tags: 30 天軟體工程師體驗營｜2025
---
> 建議觀看的影音章節：
> JS - 字串型別詳解
> JS - 變數：布林、undefined、null
# 🏅 JS 任務 Day1 - 字串、數字相加
## 請觀看以下兩部影片再來開始答題
### 第一部：每日任務提交講解(點擊下圖就自動播放)
{%youtube kaAvorIKxII %}
### 第二部：JS 刷題與提交流程
{%youtube iomfbjdajX4 %}
### 題目一：hello world！
``` =JavaScript
// input 輸入
hello()
hello()
// output 輸出
"Hello world！"
"Hello world！"
```
### 題目二：參數+字串練習
``` =JavaScript
// input 輸入
sayHi("Tom")
sayHi("John")
// output 輸出
"Tom，Hello world！"
"John，Hello world！"
```
### 題目三：參數加法產生器
``` =JavaScript
// input 輸入
add(2)
add(4)
add(8)
// output 輸出
4
8
16
```
### 題目四：兩個參數相加器
``` =JavaScript
// input 輸入
addTwo(5,10)
addTwo(4,20)
addTwo(9,100)
// output 輸出
15
24
109
```
### 題目五：參數+字串相加
``` =JavaScript
// input 輸入
addNumberAndString(5,10,30)
addNumberAndString(4,20,22)
addNumberAndString(9,100,44)
// output 輸出
"第一加第二個參數加總為 15，第三個參數為 30"
"第一加第二個參數加總為 24，第三個參數為 22"
"第一加第二個參數加總為 109，第三個參數為 44"
```
## 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」）
<!-- 解答：
題目一：
function hello() {
console.log("Hello world！");
}
題目二：
function sayHi(name) {
console.log(`${name}，Hello world！`);
}
題目三：
let sum = 0;
function add(num) {
sum += num;
console.log(sum);
}
題目四：
function addTwo(a, b) {
console.log(a + b);
}
題目五：
function addNumberAndString(a, b, c) {
const sum = a + b;
console.log(`第一加第二個參數加總為 ${sum}，第三個參數為 ${c}`);
}
-->
回報區
---
| 報數 | Discord 名字 | CodePen／其他回饋 |
|:----:|:------------:| ------------------------------------------------------------------------------- |
| 1 | 力文 | [CodePen](https://codepen.io/liwenchiou/pen/Eaavqqp?editors=0012) |
| 2 | Saika | [CodePen](https://codepen.io/saika4501/pen/ZYYXzqV?editors=1011) |
| 3 | Toung | [CodePen](https://codepen.io/Toung/pen/bNNobBq) |
| 4 | 里歐 | [CodePen](https://codepen.io/akihico/pen/yyyzLEB?editors=1010) |
| 5 | 小趴 | [Codepen](https://codepen.io/papa2415/pen/YzMgzOM?editors=1111) |
| 6 | 4chan | [Codepen](https://codepen.io/ijuolaqc-the-looper/pen/yyLLNVR) |
| 7 | 叮咚 | [Codepen](https://codepen.io/pinchieh-lin/pen/pvvWvKR?editors=1011) |
| 8 | 蛋殼 | https://codepen.io/weybrian/pen/YPPrXWK |
| 9 | RUDY | [CodePen](https://codepen.io/Rudy-crw/pen/LEEzVGv?editors=0010) |
| 10 | Yukon | [CodePen](https://codepen.io/ukowork/pen/GggMJro) |
| 11 | dean | [CodePen](https://codepen.io/ch933114/pen/emmGppw?editors=1010) |
| 12 | B | [CodePen](https://codepen.io/Babel777/pen/gbbGabG) |
| 13 | Joseph_Kyuu | [CodePen](https://codepen.io/zrzfastd-the-reactor/pen/KwwXVqz) |
| 14 | 蛋白 | [蛋白的JS CodePen](https://codepen.io/sjlu-0/pen/pvvWyQZ) |
| 15 | WAWATA | [Codepen](https://codepen.io/wa-wa-GNOHC-WA-Wa/pen/emmGYem) |
| 16 | 7Lun | [Day1- CodePen](https://codepen.io/mfyvqhsn-the-bold/pen/QwwqKRG?editors=0012) |
| 17 | BL | [CodePen](https://codepen.io/bonnieli1414/pen/YPPrpRq?editors=0011) |
| 18 | 阿香 Mia | [CodePen](https://codepen.io/li-shiang-yu/pen/xbbXqyj?editors=1112editors=0011) |
| 19 | 新月 | [CodePen](https://codepen.io/gffaufsy-the-bashful/pen/PwwJmNZ) |
| 20 | Nora | [CodePen](https://codepen.io/Yun-Jhen-Dai/pen/OPPxpzK?editors=1011) |
| 21 | zhe | [CodePen](https://codepen.io/dotheright/pen/XJJeRQQ) |
| 22 | Kath | [CodePen](https://codepen.io/JLin-the-lessful/pen/JoorJXY) |
| 23 | nora_zizi | [CodePen](https://codepen.io/Nora-Ch/pen/YPPrQGZ?editors=1111) |
| 24 | ArvinSu | [CodePen](https://codepen.io/Arvin-Su/pen/JoorJyK) |
| 25 | 阿莫 | [CodePen](https://codepen.io/pzmmaukk-the-bold/pen/dPPVzYd?editors=1111) |
| 26 | mambo | [CodePen](https://codepen.io/chiang_mb/pen/Eaawwgd) |
| 27 | Jingle0900 | [CodePen](https://codepen.io/EvaLi0472/pen/OPPxwOv?editors=1111) |
| 28 | wei_0982 | [CodePen](https://codepen.io/nico-lai/pen/dPPVjVN?editors=1011) |
| 29 | Apple Pie | [CodePen](https://codepen.io/ymevqzjf-the-builder/pen/QwwqVMw?editors=0011) |
| 30 | 馬德 | [CodePen](https://codepen.io/maywang/pen/VYYMGPx?editors=0012)|
| 31 | HLC | [CodePen](https://codepen.io/pppbbb262626/pen/XJJeyBb)|
| 32 | pastor | [Codepen](https://codepen.io/peter_hung/pen/qEEPgOQ)|
| 33 | Ali | [Codepen](https://codepen.io/Alicia1117/pen/VYYMYKB)|
| 34 | 牛奶 | [Codepen](https://codepen.io/0omilko0/pen/ByymKpj?editors=1111)|
| 35 | Archang | [Codepen](https://codepen.io/pxfnrvgk-the-styleful/pen/jEEaMjr?editors=1111)|
| 36 | 蛋黃 | [Codepen](https://codepen.io/yiyun12o9/pen/ZYYaXrr)|
| 37 | DD | [Codepen](https://codepen.io/dorihung/pen/OPPOzde)|
| 38 | mercury2508. | [CodePen](https://codepen.io/Mercury2508/pen/wBBPELw)
| 39 | Hugh | [CodePen](Hugh-Chen/pen/GggyMaJ?editors=1111)
| 40 | Cami | [CodePen](https://codepen.io/irisLife/pen/ByyJxar)
| 41 | ann#6212 | [CodePen](https://codepen.io/yqmegupa-the-styleful/pen/dPPJexe)
| 42 | 野鴿 | [CodePen](https://codepen.io/HoshinoSyouta/pen/JooMBNQ?editors=1111)
| 43 | yuna | [CodePen](https://codepen.io/Yuna1002/pen/LEEeMQy?editors=1111)
| 44 | iannaan | [CodePen](https://codepen.io/ian293382/pen/LEEeMqz?editors=1012)
|45|YuTing|[CodePen](https://codepen.io/venus50533/pen/LEEeqvq?editors=0012)
|46|stone|[CodePen](https://codepen.io/bgrwlzoz-the-reactor/pen/pvvpBvG)
|47|yang|[CodePen](https://codepen.io/Yang-J/pen/bNNaOVj?editors=1001)
|48|EdenWu|[CodePen](https://codepen.io/eden-wu/pen/KwwQxwx?editors=1111)
|49|周周|[CodePen](https://codepen.io/jhoujhou-the-decoder/pen/oggEKrw?editors=0012)
|49|Leonard|[CodePen](https://codepen.io/hyyfjqra-the-sans/pen/EaaExer)
|50|Janlly|[CodePen](https://codepen.io/Janlly-Guo/pen/PwwRogW)
|50|Tung|[CodePen](https://codepen.io/oltsegon-the-looper/pen/bNNvqdY)
| 52 | WEIWEI | [CodePen](https://codepen.io/weiwei93/pen/xbbPjWL)
| 53 | Jessie | [Jessie 的 Codepen](https://codepen.io/bakyfkso-the-looper/pen/VYYXmay)
|54|Esther|[CodePen](https://codepen.io/biunpujm-the-flexboxer/pen/myyxqdY)
|55|holysi|[CodePen](https://codepen.io/holysi/pen/wBBjKpM)
|56|Rogan|[CodePen](https://codepen.io/RoganHsu/pen/vEEjJEE?editors=1111)
|57|Emma|[github](https://github.com/fufuYang/hexschool-practise/blob/main/day1/all.js)
|58|登登登|[CodePen](https://https://codepen.io/Duncanin/pen/JoovLYp)
|59|William Hsieh|[CodePen](https://codepen.io/lsaimqxa-the-vuer/pen/pvvVYNb?editors=0012)
|60|Sonia|[CodePen](https://codepen.io/YUJOU/pen/oggdxjZ?editors=1011)
|61|Owen He|[CodePen](https://codepen.io/owen1120/pen/oggdKxr?editors=0012)
| 62 | yue | [Codepen](https://codepen.io/Ling-the-scripter/pen/JoovQgw)|
| 63 | Zackaz | [Codepen](https://codepen.io/zackaz/pen/jEEKayP)|
| 64 | Chuang | [Codepen](https://codepen.io/uidoytjq-the-solid/pen/gbbKvMG?editors=0011)|
| 65 | oyll | [Codepen](https://codepen.io/dizzydog-rgb/pen/EaaROzE?editors=1011)|
| 66 | Winter| [Codepen](https://codepen.io/winternightsix/pen/JooZgja)|
| 67 | ninii| [Codepen](https://codepen.io/niiniiii/pen/azzLVmz?editors=1111)|
| 68 | 姜承| [Codepen](https://codepen.io/Troy0718/pen/NWOggWO)|
| 69 | Ariel| [Codepen](https://codepen.io/ariel0510/pen/NPPLrNe?editors=0011)|
| 70 | Peggy| [Codepen D1to5](https://codepen.io/cpt23462599/pen/gbbdeOo)|
| 71 | dawnwang87| [Codepen D1to5](https://codepen.io/yrpnrtsy-the-typescripter/pen/wBBYdBW?editors=1111)|
| 72 | Acadia | [Codepen](https://codepen.io/Acadia/pen/VYYVNPr?editors=0011)|
| 73 | ja4071 | [Codepen](https://codepen.io/SHAO-L/pen/yyyGOgM)|
| 74 | kelsonhouse| [Codepen](https://codepen.io/Kelson-House/pen/VYYqxKW?editors=0011)|
| 75 | vima | [Codepen](https://codepen.io/chin7004/pen/jEEXorb?editors=0011)|
|76|JHT|[Codepen](https://codepen.io/juanht/pen/NPPorya?editors=0012)|
|77|taishan_90178|[Codepen](https://codepen.io/candy99/pen/myyvWxX?editors=1111)|
|78| xiaocai_97765|[Codepen](https://codepen.io/dupre55667788/pen/vEEbQJE)|
|79| vivi_net888|[Codepen](https://codepen.io/bqjnokup-the-flexboxer/pen/QwwYPYP?editors=0011)|
|80| duchi |[Codepen](https://codepen.io/sqaz0502/pen/LEEqwVV)|
|81| Yi-Kuei |[Codepen](https://codepen.io/Yi-Kuei-Chuang/pen/ZYYPbBv?editors=1112)|
|82| tina91211900 |[Codepen](https://codepen.io/jbmbtkqr-the-flexboxer/pen/NPPmrar?editors=0012)|
| 83 | kwk.1315 | [CodePen](https://codepen.io/K__________/pen/JooZZyX) |
|84| allen3290 |[Codepen](https://codepen.io/udadkudw-the-looper/pen/ByyEWdd)|
|85| Holly |[Codepen](https://codepen.io/LEE-HOLLY/pen/MYYReNV)|
|86|taishan_90178|[Codepen](https://codepen.io/candy99/pen/OPPGzdz?editors=0012)|
|87|Mic|[Codepen](https://codepen.io/Mic-Pan/pen/ZYYgmeE?editors=0012)|
|88|melody08|[Codepen](https://codepen.io/Xuan-han-Chen/pen/yyNLWxp?editors=1111)|
|89|rinn|[Codepen](https://codepen.io/cqsioetr-the-bold/pen/myJdGNg?editors=1111)|
|90|610|[Codepen](https://codepen.io/YI-LING-LIU/pen/qEdbbMb?editors=0011)|
|91|kent_31665|[Codepen](https://codepen.io/kentlee406/pen/zxGqqbo?editors=0011)|
|92|Melanie|[Codepen](https://codepen.io/pnrcspte-the-animator/pen/qEdrNVd)|
|93|Astrid|[6/8](https://codepen.io/astrid321654/pen/bNdodbM?editors=0012)|
|94|Yu|[Codepen](https://codepen.io/yu-chin-chiang/pen/raVGWMB)|
|95|Michael|[Codepen](https://codepen.io/RenHuang-Huang/pen/GgJXBqa)|
|96|lbk|[Codepen](https://codepen.io/lyvigqus/pen/myeyzyV?editors=1112)|
|97|andy|[Codepen](https://codepen.io/ewnblckz-the-styleful/pen/bNVBVwN?editors=1111)|
|98|禹成林|[Codepen](https://codepen.io/useirin/pen/qEOojEX)|
|99|haohaoliao|[playcode](https://playcode.io/2541471)|
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