get all input type and there value in a form

<script>function validateRequiredFields()
{
$('#registerForm input').each(
function(index){
var input = $(this);
//alert(input.attr('required'));
if(input.attr('required')=='required'){
var id=input.attr('id');
if(input.val()==''){
$("#"+id).next(".validation").remove();
$("#"+id).css("border", "1px solid red");
$("#"+id).after("<span class='validation' style='color:red;margin-bottom: 20px;'>Please Enter value!</span>");
}else{
$("#"+id).next(".validation").remove();
$("#"+id).css("border", "1px solid green");

}
}
//alert('Type: ' + input.attr('type') + 'Name: ' + input.attr('name') + 'Value: ' + input.val());
}
);


} </script>