//10 转 2(num).toString(2)//10 转 8(num).toString(8);//10 转 16(num).toString(16);//2 转 10parseInt(num,2);//8 转 10parseInt(num,8);//16 转 10parseInt(num,16);//2 转 8parseInt(num,2).toString(8);//8 转 2parseInt(num,8).toString(2);//2 转 16parseInt(num,2).toString(16);//16 转 2parseInt(num,16).toString(2);//8 转 16parseInt(num,8).toString(16);//16 转 8parseInt(num,16).toString(8);//js自带最多能转36(0-9a-z)，其他的自己写...(num).toString(36);