MayhemYDG/4chan-x — comment on commit 0a6e01accdb04ac71be0d26d4477abb7efe7a6e1
File:  line 0
By aeosynth:

correct me if i'm wrong, but doesn't fooling the cache 'beat' `If-Modified-Since`?

also why listen to `onreadystatechange`? `r.onload = r.error = cb` seems nicer