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'
 ]
}