I deactivated Spellcheck module and now works perfectly! Thank you!
No problem, http://www.emanueldinardo.com/wp however this error appeared suddenly, while I was writing an article
Add more detail: I noticed that other javascript elements in the blog don’t work…there are a solution? Additionally I use cloudflare and w3 total cache (I’ve delete the last one), but i tried to deactive service and result is the same…so far site has no problems with cloudflare, plugin themes and other…Sometimes visual editor reappear but javascript like insert tag or insert media don’t work..i tried all resolution method found on the forum and the web, return to default theme and purge the cache disable all plugin, reupload entire site, insert some hack in the configuration file but nothing!!!!!! 🙁 I don’t wanto to leave wordpress…