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alexsad/cpf_validation.js

Created June 27, 2024 13:03
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cpf validation
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cpf_validation.js
const sumCPF = (cpf, digitos) => {
const sum = cpf
.split('')
.filter((...[,index]) => index < digitos)
.reduce((sum, curr, index) => sum + (curr * (1+digitos - index)), 0);
const total = (sum * 10) % 11;
return [10,11].includes(total) ? 0 : total;
}
sumCPF('62193597049', 9); //first digit verification
sumCPF('62193597049', 10); //second digit verification
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