teste

<form action="" id="cadPizza" method="POST">
        <input type="text" name="nome">
        <input type="submit" id="inserir" value="Cadastrar">
    </form>


$(document).ready(function(){
    // Ao clicar vamos gravar no banco :D
    $('#inserir').on('click', function(e){
    e.preventDefault();
        var name= $('input[name=nome]').val();
        $.ajax({
            type: 'POST',
            dataType: 'json',
            url: $server+"/conecta.php",
            async: true,
            data: {nome:name},
            success: function(response){
                location.reload();
            }
        });
        return false;
    });