Exhentai.org now supports https, the script needs to load the https version of ajax.googleapis.com
Otherwise, the script will not run on Firefox (and probably other browsers) because of missing library, the library doesn't load on Firefox because Mixed content. https://developer.mozilla.org/en-US/docs/Web/Security/Mixed_content Just changing http to https in line 22 will fix the problem.
Exhentai.org now supports https, the script needs to load the https version of ajax.googleapis.com
Otherwise, the script will not run on Firefox (and probably other browsers) because of missing library, the library doesn't load on Firefox because Mixed content.
https://developer.mozilla.org/en-US/docs/Web/Security/Mixed_content
Just changing http to https in line 22 will fix the problem.