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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醉后诀
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')