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var bmi = weight/(height*height);
if (bmi < 18.5){
console.log('过轻');
}else if(bmi <= 25){
console.log('正常');
}else if(bmi <= 28){
console.log('过重');
}else if(bmi <= 32){
console.log('肥胖');
}else{
console.log('严重肥胖');
}
- 1
玩转ACE
<script type="text/javascript"> 'use strict'; var height = parseFloat(prompt('请输入身高(m):')); var weight = parseFloat(prompt('请输入体重(kg):')); var bmi = weight/(height\*height); console.log(bmi); if (bmi <= 18.5) { console.log("过轻"); } else if (bmi > 18.5 && bmi <= 25) { console.log("正常"); } else if (bmi > 25 && bmi <= 28) { console.log("过重"); } else if (bmi > 28 && bmi <= 32) { console.log("肥胖"); } else if (bmi > 32) { console.log("严重肥胖"); } else { console.log("請輸入能夠用於計算的正确的身高和体重！"); } </script>