convert integer to roman numeral javascript
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Object.defineProperty(Number.prototype,'int2roman',{ | |
get: function(){ | |
const map = { | |
M: 1000, | |
CM: 900, | |
D: 500, | |
CD: 400, | |
C: 100, | |
XC: 90, | |
L: 50, | |
XL: 40, | |
X: 10, | |
IX: 9, | |
V: 5, | |
IV: 4, | |
I: 1, | |
}; | |
let result = ''; | |
let num=this.valueOf(); | |
for (key in map) { | |
result += key.repeat(Math.floor(num / map[key])); | |
num %= map[key]; | |
} | |
return result; | |
} | |
}); |
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