SOURCE

function getsum(num1)
{
    if(num1<100000)
    {
        return num1;
    }
    else if(num1>=100000000)
    {
        return num1/100000000+'亿';
    }
    else if(num1>=10000)
    {
        return num1/10000+'万';
    }
}
console.log(getsum(200000000));