# 🏅 6/8 (二) 每日任務 Day 32
###### tags: `Vue 直播班 - 2021 夏季班`

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

> 練習運用 watch 監聽一個數值
> - 在 watch 中新增方法，讓畫面顯示「今年要繳的稅金為 xx 元」為實際輸入 input 數值的 20%，並且需為整數，實際狀況如圖:
> 

> - 提示一: 會使用到 this.Taxes
> - 提示二: 整數化方法為 Number.parseInt()

參考：https://courses.hexschool.com/courses/vue-2021/lectures/31863086

回報流程
---
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
watch: {
cash() {
this.Taxes = Number.parseInt(this.cash * 0.2);
}
}
-->

回報區
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<!--1:Alpha
Codepen:https://codepen.io/alphatero/pen/zYZamVZ
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<!--2:tim Chou
Codepen:https://codepen.io/tim-chou/pen/OJpEBeq
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codepen: https://codepen.io/jayredk/pen/JjWBXEK
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codepen: https://codepen.io/Sentiments/pen/ZEejOaK
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codepen: https://codepen.io/blazer030/pen/yLMqPKV
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codepen: https://codepen.io/blazer030/pen/YzZjEOB
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codepen: https://codepen.io/manpower0708/pen/gOmjeEY?editors=1111
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codepen: https://codepen.io/JessieMosbi/pen/MWpBqmV
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