All odd numbers between the two numbers, to remove stacks of

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0-3 // all odd numbers among the
idea of analysis
I = 0. 1 J = 2. 3 0
00 01 02 03
I = 0. 1 J = 2. 1. 3
10. 11 12 is 13 is
I 2 = J 2. 3 = 0. 1
20 is 22 is 23 is 21 is
I = 0. 1 J = 2. 3. 3
30 32 33 is 31 is

function fn(a,b){
    //先判断大小，保证a小，b大
    if(a>b){
    var d = a;
    a=b;
    b=d;
    }
    //重复取a到b之间的数字
    for(var i = a;i<=b;i++){
        //重复取a到b之间的数字
        for(var j =a;j<=b;j++){
            //组合并判断奇数，同时判断两个数字不能相等
            if((""+i+j)%2 !=0 && i!=j){
               // 如果符合奇数，就可以打印了
                console.log(""+i+j);
            };
        }    
    }
}
fn(3,0);