编写一个函数，计算任意两个数字之间所能组成的奇数个数，数字必须是个位数
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<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
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<body>
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<script>
function fn(a,b){
for(var i = a;i<=b;i++){
for(var j = a;j<=b;j++){
var sum = "" + i + j;
if(sum%2==1){
console.log(sum)
}
}
}
}
fn(0,6)
</script>
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