---
tags: 30 天軟體工程師體驗營｜2025
---

# 🏅 JS 任務 Day12 - 函式、陣列、物件讀取
> 建議觀看的影音章節：
> JS - 陣列教學
> JS - 物件教學

### 題目一： 函式 return 物件

// input 輸入
a().hi
a().sayYo
a().cry
// output 輸出
"hi"
"yo~"
"嗚嗚"

### 題目二：陣列包函式

// input 輸入
b[0](3)
b[0](4)
// output 輸出
"你輸入的是3"
"你輸入的是4"

### 題目三：物件包函式

// input 輸入
obj.a()
obj.b()
// output 輸出
"你執行的是 a 函式"
"你執行的是 b 函式"

### 題目四：進階題，不適合新手：arguments return function

// input 輸入
sum(4,5)
sum(4)(5)
sum(7,9)
sum(7)(9)
// output 輸出
9
9
16
16

## 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 a() {
return {
hi: "hi",
sayYo: "yo~",
cry: "嗚嗚"
};
}

題目二：
const b = [
function(n) {
return `你輸入的是${n}`;
}
];

題目三：
const obj = {
a: function() {
return "你執行的是 a 函式";
},
b: function() {
return "你執行的是 b 函式";
}
};

題目四：
function sum(a, b) {
if (typeof b === "undefined") {
return function(c) {
return a + c;
};
} else {
return a + b;
}
}

-->

回報區
---

| 報數 | Discord 名字 | Codepen／其他回饋|
|:----:|:-------------------:|:---------------------------------------------------------------------------------------------------------------------------------:|
|1|小趴|[Codepen](https://codepen.io/papa2415/pen/ExzapyL)|
| 2 | SeanLuTW | [Codepen](https://codepen.io/sean85914/pen/ZYYVazo) |
| 3 | 4chan | [Codepen](https://codepen.io/ijuolaqc-the-looper/pen/NPPeaMr?editors=1011) |
| 4 | dean| [Codepen](https://codepen.io/ch933114/pen/MYYZOaG?editors=0011) |
| 5 | 7Lun | [Day-12 Codepen](https://codepen.io/mfyvqhsn-the-bold/pen/gbbZXjR?editors=0011) |
| 6 | ying | [Codepen](https://codepen.io/Lara-Lin/pen/GggPyyG?editors=1111) |
| 7 | Ariel | [Codepen](https://codepen.io/ariel0510/pen/gbbZvRV?editors=0011) |
| 8 | Ali | [Codepen](https://codepen.io/Alicia1117/pen/VYYqQjE) |
| 9 | pastor | [Codepen](https://codepen.io/peter_hung/pen/gbbZeKW) |
| 10 | 馬德 | [Codepen](https://codepen.io/maywang/pen/raaodqg?editors=0012) |
| 11 | 登登登 | [Codepen](https://codepen.io/Duncanin/pen/dPPwKYj) |
| 12 | oyll | [Codepen](https://codepen.io/dizzydog-rgb/pen/OPPrwEj?editors=0011) |
| 13 | WEIWEI | [Codepen](https://codepen.io/weiwei93/pen/OPPrOVb) |
| 14 | RUDY | [Codepen](https://codepen.io/Rudy-crw/pen/myyaQLO?editors=0010) |
|15|蛋殼|[Codepen](https://codepen.io/weybrian/pen/yyyGGyw)
| 16 | 牛奶 | [Codepen](https://codepen.io/0omilko0/pen/gbbZZEQ?editors=0011) |
| 17 | ann.328 | [Codepen](https://codepen.io/yqmegupa-the-styleful/pen/EaaGrGR) |
|18|Saika|[Codepen](https://codepen.io/saika4501/pen/raaoPzz?editors=1100)|
| 19 | nora_zizi| [Codepen](https://codepen.io/Nora-Ch/pen/RNNEOrZ?editors=1111) |
| 20 | mercury2508. | [Codepen](https://codepen.io/Mercury2508/pen/wBBRNZW) |
| 21 | Sonia | [Codepen](https://codepen.io/YUJOU/pen/gbbZJdO?editors=0012) |
| 22 | Leonard | [Codepen](https://codepen.io/hyyfjqra-the-sans/pen/VYYgwgj) |
| 23 | 姜承 | [Codepen](https://codepen.io/Troy0718/pen/eYPjXqB?editors=0012) |
| 24 | Hugh | [Codepen](https://codepen.io/Hugh-Chen/pen/PwwXGQx) |
| 25 | 叮咚 | [Codepen](https://codepen.io/pinchieh-lin/pen/emmxZME?editors=1111) |
| 26 | B | [Codepen](https://codepen.io/Babel777/pen/zxxeqWp) |
| 27 | Chuang | [Codepen](https://codepen.io/uidoytjq-the-solid/pen/zxxeBPe?editors=0011) |
| 28 | William Hsieh | [Codepen](https://codepen.io/lsaimqxa-the-vuer/pen/NPPowjj?editors=0012) |
| 29 | 力文 | [Codepen](https://codepen.io/liwenchiou/pen/dPPadvK?editors=1111) |
|30|JHT|[Codepen](https://codepen.io/juanht/pen/PwwVzep?editors=0012)|
|31|WAWATA|[Codepen](https://codepen.io/wa-wa-GNOHC-WA-Wa/pen/OPProMZ)|
| 32 | CBK |[Codepen](https://codepen.io/BK-C-the-styleful/pen/qEEvmdm)|
| 33 | jingle0900 |[Codepen](https://codepen.io/EvaLi0472/pen/pvvqaEE?editors=1111)|
| 34 | wei_0982 |[Codepen](https://codepen.io/nico-lai/pen/raaPeww)|
| 35 | tung |[Codepen](https://codepen.io/oltsegon-the-looper/pen/qEEgQzB)|
| 36 | Jessie_Yu | [Jessie_Yu 的 Codepen](https://codepen.io/bakyfkso-the-looper/pen/jEERaEb)|
| 37 | BL | [Codepen](https://codepen.io/bonnieli1414/pen/KwwLapp)|
| 38 | kelsonhouse | [Codepen](https://codepen.io/Kelson-House/pen/azzrwqq?editors=0011) |
| 39 | ArvinSu | [Codepen](https://codepen.io/Arvin-Su/pen/JoogWGL) |
| 40 | allen3290 | [Codepen](https://codepen.io/udadkudw-the-looper/pen/LEEwJPQ?editors=1111) |
| 41 | ja4071 | [Codepen](https://codepen.io/SHAO-L/pen/zxxgLgw?editors=1112)|
| 42 | vima | [Codepen](https://codepen.io/chin7004/pen/WbbVYaq) |
| 43 | Rogan | [Codepen](https://codepen.io/RoganHsu/pen/QwbwwEP?editors=1111) |
| 44 | Yi-Kuei | [Codepen](https://codepen.io/Yi-Kuei-Chuang/pen/raVxaJg?editors=1112) |
| 45 | xiaocai_97765 | [Codepen](https://codepen.io/dupre55667788/pen/myJPpRe?editors=0010)
| 46 | ninii | [Codepen](https://codepen.io/niiniiii/pen/wBaWxpb?editors=1111)
| 47 | taishan_90178 | [Codepen](https://codepen.io/candy99/pen/XJbeWLY?editors=0012)
| 48 | haohaoliao | [Codepen](https://codepen.io/yuyuyuhaohao/pen/jEWmEKv?editors=0012) |

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| num | user | [Codepen]() |
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