Converting integers to roman numerals

Question

I\'m trying to write a function that converts numbers to roman numerals. This is my code so far; however, it only works with numbers that are less than 400. Is there a quick

Answer 1

A neat, quick and straightforward solution

function convertToRoman(num) {

  //Roman numerals to have <= 3 consecutive characters, the distances between deciaml values conform to this
  var decimalValue = [ 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 ];
  var romanNumeral = [ 'M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', 'I' ];
  var num_cp = num; // copy the function parameter into num_cp
  var result = '';

  for (var i=0; i < decimalValue.length; i++){ //itarate through array of decimal values
      //iterate more to find values not explicitly provided in the decimalValue array
    while (decimalValue[i] <= num_cp){
      result += romanNumeral[i];
      num_cp -= decimalValue[i];
    }
  }
  return result;
}

convertToRoman(477);