I got something like that:
<form id="my_form">
<input type="hidden" name="name_1" value="1">
<input type="text" name="name_2" value="text_1">
<input type="text" name="name_3" value="text_2">
<select name="name_4">
<option value="1">opt1</option>
<option value="2">opt2</option>
</select>
</form>
and in my jQuery code:
$('#my_form').serializeArray().forEach(function(item){
// here 'item' has two props: 'name' and 'value'
// how can I select form's item based on name but NOT type HIDDEN ?
});