var bmi = weight / (height * height);
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 {
console.log("严重肥胖");
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var bmi = weight / (height * height);
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 {
console.log("严重肥胖");
}