ajax form submission in wordpress

 $(function(){
     $("#contact-form").validate({
         errorElement: 'span',
         submitHandler: function(form) {

           var _data = {  'nonce' : '<?php echo wp_create_nonce( "ajax_post_author_credit_nonce" ); ?>', 'action' : 'contact_enquiry' }

           $(form).ajaxSubmit({
            dataType: 'json',
            data: _data,
            beforeSubmit: function(arr, $form, options) {

                var name = $('#contact-form input[name="name"]').fieldValue();
                var phone = $('#contact-form input[name="telephone"]').fieldValue();
                var email = $('#contact-form input[name="email"]').fieldValue();
                var company = $('#contact-form input[name="company"]').fieldValue();
                var enquiry = $('#contact-form textarea').fieldValue();


            },
            success: function(resp){
              console.log('sucess');

              setTimeout(function(){
                 $('.row-offcanvas .sidebar-offcanvas .btn-contact').click();
              }, 1000);


            },
            error: function(resp){
              alert('Sorry there was an error with your submission. Please try again later.');
              console.log(resp);
            }

          });

        }

       });
    });