CODE EXAMPLE FOR JAVASCRIPT

How to pass named route parameter with ajax Laravel

var id = $("input[name=editId]").val();
var url = "{{ route('updateArticle', ":id") }}";
url = url.replace(':id', id);

$.ajax({
   type:'POST',
   enctype: 'multipart/form-data',
   url: url,
   data: formdata,
   contentType: false,
   processData: false,
   success:function(data){
        $('.alert-success').html(data.success).fadeIn('slow');
        $('.alert-success').delay(3000).fadeOut('slow');
   }
});