Does multiple ajax catch/send work or no?

[git3rdone]

I'm confused about all the back and forth forks -- did someone work on the multiple ajax issue or not? Did someone get it working? If not, what's the suggestion?

[itsalb3rt]

At the moment it is not possible but there is a boy who presumes that he has achieved it on his own https://medium.com/@arojunior/keep-working-offline-with-javascript-96c813994c68