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弹出正常后,还会谈一次过于肥胖呢

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夏天树荫下的茶馆

#1 Created at ... [Delete] [Delete and Lock User]

var bmi = weight/(height*height); if(bmi<18.5) { alert('过轻'); }else if(18.5<=bmi<25) { alert('正常'); }else if(25<=bmi<28) { alert('过重'); }else if(28<=bmi<32) { alert('肥胖'); }else(32 <= bmi) { alert('过于肥胖') }

夏天树荫下的茶馆

#2 Created at ... [Delete] [Delete and Lock User]

var bmi = weight/(height*height); if (bmi <= 18.5) { alert('过轻'); } else if (bmi >18.5 && bmi <=25) { alert('正常'); } else if (bmi>25 && bmi <=28) { alert('过重'); } else if (bmi > 28 && bmi <= 32) { alert('肥胖'); } else if(bmi > 32) { alert('too fat'); }

最后一句必须用else if 用else的话总要打出too fat ,不知道为什么,求解

强新宇_iOS

#3 Created at ... [Delete] [Delete and Lock User]

var bmi = weight / (height * height); if (bmi <= 18.5) { alert('过轻'); } else if (bmi >18.5 && bmi <=25) { alert('正常'); } else if (bmi>25 && bmi <=28) { alert('过重'); } else if (bmi > 28 && bmi <= 32) { alert('肥胖'); } else { alert('too fat'); }

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