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6 changes: 3 additions & 3 deletions index.html
Original file line number Diff line number Diff line change
Expand Up @@ -35,11 +35,11 @@ <h1 class="page-header">Validador de CPF</h1>
<div class="input-group input-group-lg">
<span class="input-group-addon" id="sizing-addon1">CPF</span>
<input type="text" class="form-control" placeholder="Digite o cpf para validação ..."
aria-describedby="sizing-addon1">
aria-describedby="sizing-addon1" id="cpf_digitado">
</div>
<small class="form-text text-muted">Digite somente numeros</small>
</div>
<button type="button" class="btn btn-info">Validar !</button>
<button type="button" class="btn btn-info" onclick="validacao()">Validar !</button>
</form>
</div>
<div class="container page-header">
Expand All @@ -60,6 +60,6 @@ <h1 class="page-header">Validador de CPF</h1>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" crossorigin="anonymous"
integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa"></script>


<script src="./script.js"></script>

</html>
56 changes: 56 additions & 0 deletions script.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,56 @@
console.log("Javascript carregado");

function validaCPF(cpf) {
if(cpf.length !=11) {
return false;
} else {
var numeros = cpf.substring(0, 9);
var digitos = cpf.substring(9);

var soma = 0;
for (var i = 10; i > 1; i--) {
soma += numeros.charAt(10 - i) * i;
}

var resultado = (soma % 11) < 2 ? 0 : 11 - (soma % 11);

//validação do primeiro digito//
if(resultado != digitos.charAt(0)) {
return false;
}

soma = 0;
numeros = cpf.substring(0, 10);

for (var k = 11; k > 1; k--) {
soma += numeros.charAt(11 - k) * k;
}

resultado = soma % 11 < 2 ? 0 : 11 - (soma % 11);

//validação do segundo digito//
if (resultado != digitos.charAt(1)) {
return false;
}

return true;
}
}

function validacao() {
console.log("Iniciando validação CPF");
document.getElementById("success").style.display = "none";
document.getElementById("error").style.display = "none";


var cpf = document.getElementById("cpf_digitado").value;

var resultadoValidacao = validaCPF(cpf);

if(resultadoValidacao) {
document.getElementById("success").style.display = "block";
}
else {
document.getElementById("error").style.display = "block";
}
}