JavaScript Roman Numeral Converter

While looking for something quick to do during a brief internet outage, I wrote some code to convert to and from Roman numerals. Once things were back up I searched for equivalent code, but only found stuff that was multiple pages long, limited the range of what it could convert, or both. I figured I might as well share what I came up with: function romanize (num) { if (!+num) return false; var di

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ローマ数字変換