---
tags: Vue 直播班 - 2022 春季班
---

# 🏅 Day 33
###### tags: `Vue 直播班 - 2022 春季班`

題目 (請將答案貼上 CodePen)
---
操作 [這個模板](https://codepen.io/rider159159/pen/VwpbrJo)，執行以下要求 (只能操作 JS 的部分):

> 使用 watch 監控 props
> - 請在 new-input 元件的 watch 中監控 props 傳來的值，讓下方 input 和上方 input 顯示相同數值。
> - 此次練習主要目的，是讓同學瞭解單向數據流的特性，無法直接修改 props 的值。

參考: https://ithelp.ithome.com.tw/articles/10219200

回報流程
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請同學依照下圖教學觀看解答、回報答案:


回報格式如下圖，請在「回報區」使用註解回報答案 (為了統計人數，請同學依序加上「報數」)


<!-- 解答
app.component('new-input', {
props: ['propCash'],
data() {
return {
cash: 0,
}
},
template: `<input type="number" v-model="cash"/>`,
watch: {
propCash() {
this.cash = this.propCash;
}
}
});
-->

回報區
---
| 報數 | 組別/名字 | codepen / 其他回饋 |
|-----|------------|---------------------------------------|
|01| Iris Huang | https://codepen.io/ythuang/pen/YzEEqXB |
|02| 肉鬆 | https://codepen.io/klrkicog/pen/XWzzdmV |
|03| Larry | https://codepen.io/larrylinr5/pen/MWOOyao?editors=1010 |
|04| EmptyWu |https://codepen.io/emptywu/pen/OJOONXP |
|05|Aaron Tu|https://codepen.io/aarontu/pen/MWOOybv|
|06|kevinhes|https://codepen.io/kevinhes/pen/yLPPOXo?editors=1011|
|07|POPEYE| https://codepen.io/popeye_ux/pen/JjOOXOw |
|08|威爾|https://codepen.io/WILL_Wu/pen/dyZZMVL|
|09|Jason Chen|https://codepen.io/jason60810/pen/NWwwNXd |
|10|Bruno Yu|https://codepen.io/bruno-yu/pen/rNYYeJv |
|11|Himi|https://codepen.io/Himi/pen/zYPPqXy|
|12|Gill|https://codepen.io/Gill-Chin/pen/WNXXwgO?editors=1010|
|13| KAREN HUANG | https://codepen.io/Coding_Snorlax/pen/gOXXrzP?editors=1011 |
|14| Kelvin Hsu | https://codepen.io/kelvin001/pen/oNooLPY?editors=1011 |
|15|kk|https://codepen.io/potatokaka/pen/RwjjRdL?editors=1010|
|16|Yunei|https://codepen.io/Yunei/pen/BammLJE|
|17|有廖先生(rain)|https://codepen.io/billpop741/pen/wvPPzxL|
|18|Bella Shya|https://codepen.io/BellaXie/pen/wvPPoJM?editors=1010|
|19|Wenfish|https://codepen.io/wenfisht/pen/YzEEGrL|
|20|Henry Wu|https://codepen.io/dkcmlaww-the-flexboxer/pen/poddevX?editors=1111|
|21|Calon|https://codepen.io/Calon0118/pen/RwjjpRM|
|22|Tim Lin|https://codepen.io/TimmyLin/pen/rNYYymL|
|23| Otis | https://codepen.io/humming74/pen/RwjjpdE?editors=1011 |
|24|陳暐中|https://codepen.io/wei-z/pen/mdqqwdE?editors=1010|
|25| 黃士桓 | https://codepen.io/shr-huan-huang/pen/bGYYREo?editors=1011 |
|26|我是泇吟|https://codepen.io/kljuqbxs/pen/WNXXjKj|
|27|tingyu| https://codepen.io/dgltu/pen/KKyyvyK?editors=1011 |
|28|Arista| https://codepen.io/arista-hsieh/pen/KKyyXmW |
|29|群嘉|https://codepen.io/efzdamnp-the-lessful/pen/KKyyymB|
|30|咖咖|https://codepen.io/gon790219/pen/ExbboPy |
|31|Rick Tzeng|https://codepen.io/rick917jp6/pen/dyZZdyq |
|32|Howard|https://codepen.io/yawdnhbm/pen/OJOOQKb|
|33|Benson|https://codepen.io/soul81624/pen/wvPPmWq|
|34|Charlotte Lee|https://codepen.io/charlotte-lee/pen/xxPPaBP?editors=1010 |
|35|CloThEs | https://codepen.io/bogwdnxx-the-sans/pen/YzEEqzB|
|36|Jasper|https://codepen.io/li-jasper/pen/XWzVrPq |
|37|YC|https://codepen.io/YCLu/pen/mdqpdMO |
|38|Pei Ying|https://codepen.io/Pei-Ying/pen/YzEYyvG |
|39|andersonshen| https://codepen.io/luxyenni-the-bold/pen/YzEYGzV |
|40|Terry21|https://codepen.io/feng0409/pen/podajLL |
|41|Sheep| https://codepen.io/SheepNDW/pen/MWOQzav |
|42|Judy☻| https://codepen.io/hsiaohan/pen/ZEarVYV |
|43|AllenW| https://codepen.io/AllenW/pen/BamYEqV?editors=1010|
|44|ZY Hsu| https://codepen.io/zihyin/pen/GROxWME?editors=1010|
|45|mei| https://codepen.io/Shila-Chen/pen/abVYVpK|
|46|AKI|https://codepen.io/akichen27/pen/xxPWBgj |
|46|Wilson|https://codepen.io/wilsonccheng/pen/NWwBoVL?editors=1010 |
|47|Bonnie|https://codepen.io/bonnieli1414/pen/MWOZZRa?editors=1010 |
|48|紙飛機| https://codepen.io/paperplanea/pen/XWzwJay |
| 49 | sihle | https://codepen.io/bugbug777/pen/yLpLexJ |
|50|Mylène|https://codepen.io/hamajibashi/pen/abENEqM|
|51|大衛| https://codepen.io/exnsrpjc/pen/xxpQxzp?editors=1010 |
|52|JD孟璁|https://codepen.io/oikdkmxq-the-looper/pen/bGaOqQB |
|53|Gui|https://codepen.io/guitimliu/pen/abEPPrR|
|54|Carol Li|https://codepen.io/carolli834/pen/KKRapPq?editors=1111|