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练习题

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陌上花开迟迟

#1 Created at ... [Delete] [Delete and Lock User]

'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); if (bmi>32){ alert('严重肥胖'); }else if (bmi>=28){ alert('肥胖'); }else if (bmi>=25){ alert('过重'); }else if (bmi>=18.5){ alert('正常'); }else if (bmi>0) { alert('过轻'); }else { alert('请输入身高和体重！'); }

迷茫的围脖世界

#2 Created at ... [Delete] [Delete and Lock User]

交作业

var bmi = weight / (height * height);
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('过于肥胖')
}
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