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");
}
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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");
}