function convert(num) {  var a=[["","I","II","III","IV","V","VI","VII","VIII","IX"],  ["","X","XX","XXX","XL","L","LX","LXX","LXXX","XC"],  ["","C","CC","CCC","CD","D","DC","DCC","DCCC","CM"], ["","M","MM","MMM"]];    var i=a[3][Math.floor(num/1000)];  var j=a[2][Math.floor(num%1000/100)];  var k=a[1][Math.floor(num%100/10)];  var l=a[0][num%10];  return  i+j+k+l;   }convert(36);--------------------- 作者：kidddfu 来源：CSDN 原文：https://blog.csdn.net/kiddd_fu/article/details/77834245?utm_source=copy 版权声明：本文为博主原创文章，转载请附上博文链接！