roman() { return new Array(30).fill('Ⅰ').map((lastLetter, i) => {  return String.fromCharCode(lastLetter.charCodeAt(0) + i) })}

var data = {  ↈ: 100000,  ↂↈ: 90000,  ↇ: 50000,  ↂↇ: 40000,  ↂ: 10000,  Ⅿↂ: 9000,  ↁ: 5000,  Ⅿↁ: 4000,  Ⅿ: 1000,  ⅭⅯ: 900,  Ⅾ: 500,  ⅭⅮ: 400,  Ⅽ: 100,  ⅩⅭ: 90,  Ⅼ: 50,  ⅩⅬ: 40,  Ⅹ: 10,  Ⅸ: 9,  Ⅷ: 8,  Ⅶ: 7,  Ⅵ: 6,  Ⅴ: 5,  Ⅳ: 4,  Ⅲ: 3,  Ⅱ: 2,  Ⅰ: 1 } function g(num){ var roman = '' if(num > 30000) return false var arr = [] for (i in data) {  while (num >= data[i]) {   roman += i;   num -= data[i];  } } return roman}let arr = []for (let index = 1; index < 26; index++) { arr.push(g(index))}console.log(arr)

export function getRomanNumber() { return [  'Ⅰ', 'Ⅱ', 'Ⅲ', 'Ⅳ', 'Ⅴ', 'Ⅵ', 'Ⅶ', 'Ⅷ', 'Ⅸ', 'Ⅹ',  'ⅩⅠ', 'ⅩⅡ', 'ⅩⅢ', 'ⅩⅣ', 'ⅩⅤ', 'ⅩⅥ', 'ⅩⅦ', 'ⅩⅧ', 'ⅩⅨ', 'ⅩⅩ',  'ⅩⅩⅠ', 'ⅩⅩⅡ', 'ⅩⅩⅢ', 'ⅩⅩⅣ', 'ⅩⅩⅤ', 'ⅩⅩⅥ' ]}