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Validación de cédulas y similares (Algoritmo de Luhn)
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const ced = '0931811087'; | |
let [suma, mul, chars] = [0, 1, ced.length]; | |
for (let index = 0; index < chars; index += 1) { | |
let num = ced[index] * mul; | |
suma += num - (num > 9) * 9; | |
mul = 1 << index % 2; | |
} | |
if ((suma % 10 === 0) && (suma > 0)) { | |
console.log('Pasa.'); | |
} else { | |
console.error('No pasa.'); | |
} |
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const ced = '0931811087'.split(''); | |
let mul = 1; | |
const suma = ced.reduce((acc, num, index) => { | |
num *= mul; | |
mul = 1 << index % 2; | |
return acc * 1 + (num - (num > 9) * 9); | |
}); | |
if ((suma % 10 === 0) && (suma > 0)) { | |
console.log('Pasa.'); | |
} else { | |
console.error('No pasa.'); | |
} |
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const ced = '0931811087'; | |
let [suma, mul, index] = [0, 1, ced.length]; | |
while (index--) { | |
let num = ced[index] * mul; | |
suma += num - (num > 9) * 9; | |
mul = 1 << index % 2; | |
} | |
if ((suma % 10 === 0) && (suma > 0)) { | |
console.log('Pasa.'); | |
} else { | |
console.error('No pasa.'); | |
} |
help me with
def
does anyone have an example with ruc.
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Hola intente usar for para la validacion pero no funciona con algunos numeros de cedula Sobretodo de Galapagos