Home
Syllabus
Lab 1
Lab 2
Lab 3
Lab 4
Lab 5
Lab 6
Kambaz
Lab 1 Steps
Book Ch1
Lab 2 Steps
Book Ch2
Lab 3 Steps
Book Ch3
Lab 4 Steps
Book Ch4
Lab 5 Steps
Book Ch5
Lab 6 Steps
Book Ch6
Optional Chaining
house.address?.city = Roma
missing?.prop ?? "n/a" = n/a