Ajax

<script>
    $(function(){

        var nome = $("#nome").val();
        var mail = $("#mail").val();
        var cpf  = $("#cpf").val();

        $.ajax({
            url: '/path/to/file',
            type: 'default GET (Other values: POST)',
            dataType: 'default: Intelligent Guess (Other values: xml, json, script, or html)',
            data: {nome:nome, mail:mail, cpf:cpf},
            success: function(data){
                console.log(data);
            }
        });
    });
</script>