Can i use simplesamlphp with ajax?

I am using simplesamlphp to authenticate a user across multiple domains from central login, but the scenario is I have to use ajax to handle login.

Everything worked until the thread reaches the postRedirect () method in the SimpleSAML_Utilities class , which submits the form to the claim url for the service provider using javascript. Since the ajax code cannot handle javascript, there is a stucks stream and I got a response like

My question is, are there any settings or settings in simplesaml php that can be used for this?