var height = parseFloat(prompt('请输入身高(m):')); var weight = parseFloat(prompt('请输入体重(kg):')); var bmi = weight / Math.pow(height, 2); if (bmi < 18.5) alert('过轻'); else if (bmi < 25) alert('正常'); else if (bmi < 28) alert('过重'); else if (bmi < 32) alert('肥胖'); else alert('严重肥胖');
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ApacheTomCat