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@aichholzer
Last active July 14, 2023 21:37
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Validación de cédulas y similares (Algoritmo de Luhn)
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.');
}
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.');
}
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.');
}
@thianlopezz
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Hola intente usar for para la validacion pero no funciona con algunos numeros de cedula Sobretodo de Galapagos

@sally342
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help me with
def

@lgamerobles
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does anyone have an example with ruc.

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