index
:
firefox
debian
progress-linux
upstream
debian 12 backports: mozilla
Progress Linux
summary
refs
log
tree
commit
diff
stats
log msg
author
committer
range
path:
root
/
devtools
/
client
/
debugger
/
src
/
workers
/
parser
/
tests
/
fixtures
/
optional-chaining.js
blob: 757335f78b7f2b0b932b74b2738020a1608f83d4 (
plain
)
1
2
3
const
obj
=
{};
obj
?
.
a
;
obj
?
.
a
?
.
b
??
[];