Ripeti password

by beatricevivaldi

HTML

<form>
    <input name="password" type="text" required placeholder="password"><br/>
    <input name="ripeti_password" type="text"  placeholder="ripeti password"><br/>
    <input type="submit">
</form>

JavaScript

//document.querySelector('input').setCustomValidity('Campo non valido');

document.querySelector('form').addEventListener('input', function(){
    var campi_uguali = document.forms[0].password.value === document.forms[0].ripeti_password.value;
    document.forms[0].ripeti_password.setCustomValidity(
        campi_uguali ? '' : 'i due campi non combaciano'
    );
}, false);