ローマ数字を
var romanNumber = { "\u2160": 1, "\u2164": 5, "\u2169": 10, "\u216C": 50, "\u216D": 100, "\u216E": 500, "\u216F": 1000, "\u2181": 5000, "\u2182":10000 }; alert(romanNumber.\u2160); // 1
var romanNumber = { "\u2160": 1, "\u2164": 5, "\u2169": 10, "\u216C": 50, "\u216D": 100, "\u216E": 500, "\u216F": 1000, "\u2181": 5000, "\u2182":10000 }; alert(romanNumber.\u2160); // 1