BMI 計算機 #15
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BMI 計算機 #15
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joan45r
reviewed
Aug 4, 2017
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| var getMessage = function(weight,height) | ||
| { | ||
| getBMI(weight,height); |
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這邊就可以宣告 var BMI=getBMI(weight,height);了，這樣就有使用到傳入的參數了
| return weight/((height/100)*(height/100)); | ||
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| } | ||
| getBMI(65,171); |
joan45r
reviewed
Aug 4, 2017
| { | ||
| getBMI(weight,height); | ||
| if(BMI<18.5) | ||
| console.log('體重過輕'); |
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這樣是直接輸出，沒有做回傳的動作
作業題目是要函數回傳，所以先return訊息
再到函式外面log結果
joan45r
reviewed
Aug 4, 2017
| console.log('過重'); | ||
| } | ||
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| getMessage(65,171); |
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將函式中return的結果在這裡log出來
console.log(getMessage(65,171));
Evafly
reviewed
Aug 4, 2017
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| } | ||
| getBMI(65,171); | ||
| var BMI = getBMI(65,171); |
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這邊先不要存入變數，因為這樣下面使用的BMI並沒有用到getMessage函式傳入的參數
| } | ||
| getBMI(65,171); | ||
| var BMI = getBMI(65,171); | ||
| console.log('BMI: '+BMI); |
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那這邊就先改成console.log('BMI:'+getBMI(65,171));
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| var getMessage = function(weight,height) | ||
| { | ||
| getBMI(weight,height); |
There was a problem hiding this comment.
這邊就可以宣告 var BMI=getBMI(weight,height);了，這樣就有使用到傳入的參數了
| { | ||
| getBMI(weight,height); | ||
| if(BMI<18.5) | ||
| console.log('體重過輕'); |
| console.log('過重'); | ||
| } | ||
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| getMessage(65,171); |
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