I'm trying to add ajax to my method laravel. This method is creating a reply under a discussion page. It was working before the Ajax, now i want to add the ajax to make the reply very fast ! i'm stack because i tried a lot of method to pass the $id (discussion_id) but no one works !
i'm using laravel 5.6
my route is :
Route::post('/discussion/reply/{id}', [
    'uses' => 'DiscussionsController@reply',
    'as' => 'discussion.reply'
]);
my function controller is :
   public function reply($id)
{
    $this->validate(request(), [
        'reply' =>'required',
    ]);
    $d = Discussion::find($id);
    $reply = Reply::create([
        'user_id' => Auth::id(),
        'discussion_id' => $id,
        'content' => request()->reply
    ]);
    Session::flash('success', 'Votre réponse a été enregistrer avec success');
    //return redirect()->back(); // this is what i was doing doing before the ajax
    return response()->json(['success'=>'réponse ajouter']);
}
my JavaScript Ajax :
jQuery.ajax({
      url: "/discussion/reply/",
      method: 'post',
      data: {
        reply: jQuery('#reply').val(),
      },
      dataType: 'json',
      success: function(data){
              jQuery.each(data.errors, function(key, value){
                jQuery('.alert-danger').show();
                jQuery('.alert-danger').append('<p>'+value+'</p>');
            });
        }
    });
and finally my form blade html :
<form action="{{ route('discussion.reply', ['id' => $d->id]) }}" method="POST">
                        {{ csrf_field() }}
                        <div class="form-group">
                            <label for="reply">Laisser une réponse...</label>
                            <textarea name="reply" id="reply" cols="30" rows="10" class="form-control"></textarea>
                        </div>
                        <div class="form-group">
                            <button class="btn pull-right" id="submit">Répondre</button>
                        </div>
                    </form>