after the latest updated of wp fastest cache my website seems to be not workiin

so after the updated latest version of wp fastest cache, I was getting an error suddenly saying “ajaxurl not defined” & my website seems to be not loading the javascript files…so I decided to uninstall wp fastest cache, now it is saying javascript is not enabled when I try to edit any page or post in wordpress…my wordpress site is hosted on cpanel and there is nginx caching on the server side…what also seems to be the problem occurring is that I have a separate html code stored on the cpanel server side and that code is also not working all of a sudden…javascript codes are not working for the wordpress website and for my separate html code…I haven’t done any kind of changes to any kind of code…previously everything was working fine…plz help…

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