Roman numerals/Encode: Difference between revisions

</pre>

== {{header|TypeScript}} ==

{{trans|DWScript}}

<lang javascript>

// Roman numerals/Encode

const weightsSymbols: [number, string][] =

[[1000, 'M'], [900, 'CM'], [500, 'D'], [400, 'CD'], [100, 'C'], [90, 'XC'],

[50, 'L'], [40, 'XL'], [10, 'X'], [9, 'IX'], [5, 'V'], [4, 'IV'], [1, 'I']];

// 3888 or MMMDCCCLXXXVIII (15 chars) is the longest string properly encoded

// with these symbols.

function toRoman(n: number): string {

var roman = ""; // Result

for (i = 0; i <= 12 && n > 0; i++) {

var w = weightsSymbols[i][0];

while (n >= w) {

roman += weightsSymbols[i][1];

n -= w;

}

}

return roman;

}

console.log(toRoman(1990)); // MCMXC

console.log(toRoman(2022)); // MMXXII

console.log(toRoman(3888)); // MMMDCCCLXXXVIII

</lang>

{{out}}

<pre>

MCMXC

MMXXII

MMMDCCCLXXXVIII