AJAX calls is usually either Asynchronous or Synchronous. Asynchronous means that the browser could make the AJAX ask for and carry on executing other items. Synchronous usually means the browser will quit what It truly is undertaking until the AJAX call completes. Here is an illustration of the distinctions in https://kokainstein27271.thezenweb.com/a-simple-key-for-kokainstein-unveiled-78285015