is it possible to force any communication from e.g. Javascript/JQuery to any serial comport?!
google is not able to answer that question.. but anyway it should be po
with chrome it's possible ,
here is the link for documentations : https://developer.chrome.com/apps/app_serial
or
http://www.fabiobiondi.com/blog/2014/02/html5-chrome-packaged-apps-and-arduino-bidirectional-communication-via-serial/