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rvazquezglez/rfc.html

Created July 27, 2011 00:13
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Calcula RFC (registro federal de causantes) sin homoclave usando jQuery
Raw
rfc.html
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script>
function calculaRFC() {
function quitaArticulos(palabra) {
return palabra.replace("DEL ", "").replace("LAS ", "").replace("DE ",
"").replace("LA ", "").replace("Y ", "").replace("A ", "");
}
function esVocal(letra) {
if (letra == 'A' || letra == 'E' || letra == 'I' || letra == 'O'
|| letra == 'U' || letra == 'a' || letra == 'e' || letra == 'i'
|| letra == 'o' || letra == 'u')
return true;
else
return false;
}
nombre = $("#NOMBRE_PERSONA").val().toUpperCase();
apellidoPaterno = $("#APELLIDO_PATERNO").val().toUpperCase();
apellidoMaterno = $("#APELLIDO_MATERNO").val().toUpperCase();
fecha = $("#F_NACIMIENTO").val();
var rfc = "";
apellidoPaterno = quitaArticulos(apellidoPaterno);
apellidoMaterno = quitaArticulos(apellidoMaterno);
rfc += apellidoPaterno.substr(0, 1);
var l = apellidoPaterno.length;
var c;
for (i = 0; i < l; i++) {
c = apellidoPaterno.charAt(i);
if (esVocal(c)) {
rfc += c;
break;
}
}
rfc += apellidoMaterno.substr(0, 1);
rfc += nombre.substr(0, 1);
rfc += fecha.substr(8, 10);
rfc += fecha.substr(3, 5).substr(0, 2);
rfc += fecha.substr(0, 2);
// rfc += "-" + homclave;
$("#RFC").val(rfc);
}
</script>
</head>
<body>
<fieldset>
<legend>Informaci&oacute;n General</legend>
<div>
<table>
<tr>
<td >
Nombre(s):
</td>
<td>
<input id ="NOMBRE_PERSONA" type="text" size = "20" maxlength="30"
class="uppercase" onchange="calculaRFC();"/>
</td>
</tr>
<tr>
<td>
Apellido Paterno:
</td>
<td>
<input id ="APELLIDO_PATERNO" type="text" size="20" maxlength="30"
class="uppercase" onchange="calculaRFC();"/>
</td>
</tr>
<tr>
<td >
Apellido Materno:
</td>
<td>
<input class="uppercase" id ="APELLIDO_MATERNO" name="APELLIDO_MATERNO" type="text"
size="20" maxlength="30" onchange="calculaRFC();"/>
</td>
</tr>
<tr>
<td >
Fecha Nacimiento:
</td>
<td>
<input id ="F_NACIMIENTO" name="F_NACIMIENTO" class="campofechaNac" type="text"
onchange="calculaRFC();"/>
</td>
<td>
</tr>
<tr>
<td>
Sexo:
</td>
<td>
<div>
<input id="sexoFemenino" type="radio" name="SEXO" value="F" class="simple_radio">
<span>Femenino</span>
</div>
<div>
<input id="sexoMasculino" type="radio" name="SEXO" value="M" class="simple_radio" >
<span>Masculino</span>
</div>
<label for="SEXO" class="error">Selecci&oacute;n es requerida</label>
</td>
</tr>
<tr>
<td>
RFC:
</td>
<td>
<input class="uppercase" id="RFC" name="RFC" type="text" />
</td>
</tr>
</table>
</div>
</fieldset>
</body>
</html>
@pesinasiller
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en la línea 36 se debe comenzar a iterar desde el segundo caracter:
for (i = 1; i < l; i++) {

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