Created
February 14, 2015 12:18
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function changeFormUI(form) { | |
// deshabilitar el actual comportamiento | |
form.addEventListener('invalid', function(event) { | |
event.preventDefault(); | |
}, true); | |
// Support Safari and Android browser | |
form.addEventListener('submit', function(event) { | |
if (!this.checkValidity()) { | |
event.preventDefault(); | |
} | |
}); | |
var button = form.querySelector('button'); | |
// Añadir nuevo comportamineto | |
button.addEventListener('click', function() { | |
var label, | |
error, | |
invalid = form.querySelectorAll(':invalid'), | |
allErrors = document.querySelectorAll('.error'); | |
// eliminar antiguao errores | |
for (i = 0; i < allErrors.length; i++) { | |
allErrors[i].remove(); | |
} | |
for (i = 0; i < invalid.length; i++) { | |
// Aplicar estilo solo a los elementos que validan | |
if (invalid[i].willValidate) { | |
error = document.createElement('div'); | |
error.className = 'error'; | |
error.textContent = invalid[i].validationMessage; | |
label = invalid[i].parentNode; | |
label.insertBefore(error, invalid[i].nextSibling); | |
} | |
} | |
// Evento focus al primer elem con error | |
if (invalid.length > 1) { | |
var arr = []; | |
[].map.call(invalid, function(val) { | |
if (val.willValidate) { | |
arr.push(val); | |
} | |
}); | |
arr[0].focus(); | |
} | |
}); | |
} |
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