琨哥
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# 2018-06-05 2018計算機概論 上課範例 ## BMI計算機 ```javascript= // 當網頁文件下載完成後開始執行 $(document).ready(() => { // 當 button 被 click 執行 $("body > div > button").on('click', () => { // 取得身高 var h = $("#height").val() // 取得體重 var w = $("#weight").val() // 將文字轉成數字 h = Number(h) w = Number(w) // 計算BMI var hh = h / 100 var bmi = w / (hh * hh) // 將計算結果顯示在網頁上 $("#result").val(bmi) }) }) ``` ## 質數
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