Roman Numeral Convertor - FCC

romanNumeralConvertor

function convertToRoman(num) {
    let numeralString = [];
   
    const numerals = [
        {'value': 1000, 'symbol': 'M'},
        {'value': 900, 'symbol': 'CM'},
        {'value': 500, 'symbol': 'D'},
        {'value': 400, 'symbol': 'CD'},
        {'value': 100, 'symbol': 'C'},
        {'value': 90, 'symbol': 'XC'},
        {'value': 50, 'symbol': 'L'},
        {'value': 40, 'symbol': 'XL'},
        {'value': 10, 'symbol': 'X'},
        {'value': 9, 'symbol': 'IX'},
        {'value': 5, 'symbol': 'V'},
        {'value': 4, 'symbol': 'IV'},
        {'value': 1, 'symbol': 'I'}
    ]
    
    numerals.forEach((numeral) => {        
        while (num >= numeral.value) {
            numeralString += numeral.symbol;
            num -= numeral.value;
        }
    });
    
    //console.log(numeralString);
    return numeralString;
}

////////////////////////////// TESTS //////////////////////////////
//convertToRoman(2) 
//"II"

//convertToRoman(3) 
//"III"

//convertToRoman(4) 
//"IV"

//convertToRoman(5) 
//"V"

// convertToRoman(9) 
//"IX"

// convertToRoman(12) 
//"XII"

// convertToRoman(16) 
//"XVI"

// convertToRoman(29) 
//"XXIX"

// convertToRoman(44) 
//"XLIV"

// convertToRoman(45) 
//"XLV"

// convertToRoman(68) 
//"LXVIII"

// convertToRoman(83) 
//"LXXXIII"

// convertToRoman(97) 
//"XCVII"

// convertToRoman(99) 
//"XCIX"

// convertToRoman(400) 
//"CD"

// convertToRoman(500) 
//"D"

// convertToRoman(501) 
//"DI"

// convertToRoman(649) 
//"DCXLIX"

// convertToRoman(798) 
//"DCCXCVIII"

// convertToRoman(891) 
//"DCCCXCI"

// convertToRoman(1000) 
//"M"

// convertToRoman(1004) 
//"MIV"

// convertToRoman(1006) 
//"MVI"

// convertToRoman(1023) 
//"MXXIII"

// convertToRoman(2014) 
//"MMXIV"

// convertToRoman(3999) 
//"MMMCMXCIX"