input select
HTML
<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>
JavaScript
$(document).ready(function(){
$('select, input:not(:hidden)').each(function(){
console.log($(this).val());
})
});