ajax - pdf in new tab - ajax

Question

I'm using Laravel. I get a PDF after post method and I make this request with Ajax. How can i display this PDF in new tab when success. When I don't run the codes with Ajax, it works. But when I want to run it with Ajax, I don't know how to display the PDF in a new tab.
I tried returning the PDF but it didn't work. Where am I missing?
Route:
Route::get('/test',[TestController::class, 'pdftest'])->name('test');
My Controller:
$dompdf = new PDF();
$dompdf = PDF::loadView('myPDF', $data);
$customPaper = array(0, 0, 288.64, 419.53);
$dompdf->setPaper($customPaper, 'portrait');
$content = $dompdf->output();
file_put_contents('label2.pdf', $content);
$pdf = new \Clegginabox\PDFMerger\PDFMerger;
$data = base64_decode($r->labelData);
file_put_contents('label1.pdf',$data);
$pdf->addPDF('label1.pdf', 'all');
$pdf->addPDF('label2.pdf', 'all');
return response()->$pdf->merge('browser', 'LABEL'.$order->orderNumber.'.pdf', 'P');
Ajax:
$.ajax({
url:"{{route('test')}}",
type:"post",
data:{
orderId:orderId,
weight:weight,
_token:'{{ csrf_token() }}'
},
success:function(response){
window.open("{{route('test')}}", "_blank");
},
error: function(response) {
console.log(response);
});
}

Answer 1

There is no assurance you can change user settings, it may work in your tests but not in the WildWestWeb. here are different examples.
Here user settings ensure no popups are allowed. I pressed "try it" 10 times and they did NOT open a new tab. Security is set to not allow Window.Open e.g. "Open new window."
Here the user settings in a different browser result in a new window. This is the correct behaviour of Window.Open it is not NewTab.Open
In this poor "Edge case" it may work if the user has not bothered securing the browser and default is open new window in a tab.