---
tags: JS 直播班 - 2023 秋季班
---
# 🏅 Day 15 - 陣列物件整合操作應用
### 題目
請依照下方程式碼中註解的要求完成這段程式碼（補上 `...` 的部分）：
```javascript=
let productInfo = {
price: 1000, // 購買價格
coupons: [
{
due_date: "2022-10-15", // 到期日
id: 123,
is_enabled: 0, // 是否啟用
percent: 0.7, // 折扣比例
title: "特惠七折", // coupon 標題
},
{
due_date: "2022-08-08", // 到期日
id: 456,
is_enabled: 1, // 是否啟用
percent: 0.5, // 折扣比例
title: "特惠五折", // coupon 標題
}
]
};
/* 請取得 coupons 陣列中 id 為 456 的 percent，並賦值給 discountPercent */
let discountPercent = ...;
/* 請取得 coupons 陣列中 id 為 456 的 title，並賦值給 title */
let title = ...;
/* 請修改 coupons 陣列中 id 為 456 的 到期日，將其延後兩日（至 2022-08-10）*/
...
/* 請取得 coupons 陣列中 id 為 456 的 is_enabled，並填入以下 if 判斷式中;
如果判斷為 true，則對「購買價格」進行折扣 */
if(...) {
/* 程式碼撰寫處，對「購買價格」進行折扣 */
...
console.log(`優惠券「${title}」已啟用`);
} else {
console.log("優惠券未啟用");
}
console.log(`購買價格 ${productInfo.price}`);
```
## 回報流程
將答案寫在 CodePen 並複製 CodePen 連結貼至底下回報就算完成了喔!
解答位置請參考下圖（需打開程式碼的部分觀看）
<!-- 解答：
let productInfo = {
price: 1000, // 購買價格
coupons: [
{
due_date: "2022-10-15", // 到期日
id: 123,
is_enabled: 0, // 是否啟用
percent: 0.7, // 折扣比例
title: "特惠七折", // coupon 標題
},
{
due_date: "2022-08-08", // 到期日
id: 456,
is_enabled: 1, // 是否啟用
percent: 0.5, // 折扣比例
title: "特惠五折", // coupon 標題
}
]
};
let discountPercent = productInfo.coupons[1].percent;
let title = productInfo.coupons[1].title;
productInfo.coupons[1].due_date = "2022-08-10";
if(productInfo.coupons[1].is_enabled) {
/* 程式碼撰寫處，對「購買價格」進行折扣*/
productInfo.price *= discountPercent;
console.log(`優惠券「${title}」已啟用`);
} else {
console.log("優惠券未啟用");
}
console.log(`購買價格 ${productInfo.price}`);
-->
回報區
---
| Discord | CodePen / 答案 |
| :-----: | :-----------: |
| pinyi_9 | [CodePen](https://codepen.io/Wpypy/pen/oNmjdQK?editors=1010) |
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