The thing was that I actually needed to actually navigate to the target URL of the form post so a fetch/ajax/xmlhttprequest wouldn't have worked for me :\
On Wednesday, April 11, 2018 at 4:03:03 AM UTC-4, Kirill Prazdnikov wrote: > > What about JsInterop ? > Use the new fetch or old school XMLHttpRequest > > -- You received this message because you are subscribed to the Google Groups "GWT Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to email@example.com. Visit this group at https://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.