How to get value of Javascript-Listener in Symfony?

Question

symfony

I add my listener as follows, javascript on the side receives a value from the client, let's say the screen resolution and returns return, how do I get it back in symphony in php?

$eventDispatcher->addListener('OCA\Files::loadAdditionalScripts', function () {
    script('myapp', 'script');  // adds js/script.js
});

Answer 1

AJAX

Answer 2

Read the official doc , it seems to describe a mechanism for automatically obtaining data in the backend from registered handlers