Programa de Validación de NIF CIF NIE en Javascript
(basado en la librería Java oficial de la AEAT ValNif-2.01.jar)
<script src="valnif.min.js" charset="utf-8"></script>if (checkNif(nif) > 0)<!DOCTYPE html>
<html>
<head>
<script src="valnif.min.js" charset="utf-8"></script>
<script>
window.onload = function() { addFormOnSubmitEventListener();};
function addFormOnSubmitEventListener() {
var form = document.getElementById('form');
var result = document.getElementById('result');
form.addEventListener('submit', function(e){
e.preventDefault();
var nif = form.elements['NIF'].value;
if(checkNif(nif) > 0) {
result.innerText = 'valid';
} else {
result.innerText = 'invalid';
}
});
}
</script>
</head>
<body>
<h2>ValNIF</h2>
<form id="form">
<label for="NIF">NIF</label>
<input id="NIF" name="NIF" type="text">
<input type="submit">
</form>
<h2 id="result"></h2>
</body>
</html>