js/helpers: make XMLHttpRequests async
Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience.