Roman numeral converter. (freeCodeCamp JavaScript algorithms and data structures challenge)

Roman numeral converter

function convertToRoman(num) {
  var englishArray = [1000000, 500000, 100000, 50000, 10000, 5000, 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]; 
  
  var romanArray = ["M̄", "D̄", "C̄", "L̄", "X̄", "V̄", "M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"]; 
  
  var Roman = "";
  
  for (var i=0; i<=englishArray.length; i++) {
    while (num%englishArray[i] < num) {
      Roman += romanArray[i];
      num -= englishArray[i];
    }
  };
  return Roman;
};

convertToRoman(2); 
// should return "II".

// convertToRoman(3); 
// should return "III".

// convertToRoman(4);
// should return "IV".

// convertToRoman(5);
// should return "V".

// convertToRoman(9); 
// should return "IX".

// convertToRoman(12);
// should return "XII".

// convertToRoman(16);
// should return "XVI".

// convertToRoman(29); 
// should return "XXIX".

// convertToRoman(44); 
// should return "XLIV".

// convertToRoman(45); 
// should return "XLV"

// convertToRoman(68); 
// should return "LXVIII"

// convertToRoman(83); 
// should return "LXXXIII"

// convertToRoman(97); 
// should return "XCVII"

// convertToRoman(99); 
// should return "XCIX"

// convertToRoman(400); 
// should return "CD"

// convertToRoman(500); 
// should return "D"

// convertToRoman(501); 
// should return "DI"

// convertToRoman(649); 
// should return "DCXLIX"

// convertToRoman(798); 
// should return "DCCXCVIII"

// convertToRoman(891); 
// should return "DCCCXCI"

// convertToRoman(1000); 
// should return "M"

// convertToRoman(1004); 
// should return "MIV"

// convertToRoman(1006); 
// should return "MVI"

// convertToRoman(1023); 
// should return "MXXIII"

// convertToRoman(2014); 
// should return "MMXIV"

// convertToRoman(3999); 
// should return "MMMCMXCIX"


// freeCodeCamp javaScript algorithms and data structures challenge link is given below:

// https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/javascript-algorithms-and-data-structures-projects/roman-numeral-converter