Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
jquery validate CPF, a brazilian document equivalent to social security - try: http://jsbin.com/gist/873308#preview ( originally at http://jsbin.com/agida4/16/edit )
<!DOCTYPE html>
<html>
<head>
<script class="jsbin" src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
<script class="jsbin" src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.min.js" type="text/javascript"></script>
<script src="jquery.validate.cpf.js"></script>
<script type="text/javascript">
$(function () {
var $cpf = $("#id_cpf").attr("name");
var $params = {debug:false, rules:{}, messages:{}};
$params['rules'][$cpf] = "cpf";
$params['messages'][$cpf] = "CPF inv&aacute;lido";
$("#frm").validate($params);
});
</script>
<title>JS Bin</title>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<style>
article, aside, figure, footer, header, hgroup, menu, nav, section { display: block; }
</style>
</head>
<body>
<form action="" method="POST" id="frm">
<fieldset>
<legend>Validar CPF</legend>
<label for="id_cpf">CPF</label>
<input type="text" name="cpf_field" id="id_cpf" />
<input type="submit" value="validar" />
</fieldset>
</form>
</body>
</html>
// anonymous original author, but here's a good source: http://www.tidbits.com.br/colecao-de-metodos-para-o-plugin-validate-do-jquery
(function ($) {
$.validator.addMethod('cpf',function(value,element,param) {
$return = true;
// this is mostly not needed
var invalidos = [
'111.111.111-11',
'222.222.222-22',
'333.333.333-33',
'444.444.444-44',
'555.555.555-55',
'666.666.666-66',
'777.777.777-77',
'888.888.888-88',
'999.999.999-99',
'000.000.000-00'
];
for(i=0;i<invalidos.length;i++) {
if( invalidos[i] == value) {
$return = false;
}
}
value = value.replace("-","");
value = value.replace(/\./g,"");
//validando primeiro digito
add = 0;
for ( i=0; i < 9; i++ ) {
add += parseInt(value.charAt(i), 10) * (10-i);
}
rev = 11 - ( add % 11 );
if( rev == 10 || rev == 11) {
rev = 0;
}
if( rev != parseInt(value.charAt(9), 10) ) {
$return = false;
}
//validando segundo digito
add = 0;
for ( i=0; i < 10; i++ ) {
add += parseInt(value.charAt(i), 10) * (11-i);
}
rev = 11 - ( add % 11 );
if( rev == 10 || rev == 11) {
rev = 0;
}
if( rev != parseInt(value.charAt(10), 10) ) {
$return = false;
}
return $return;
});
})(jQuery);
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.