Is it possible to use the optional chaining operator in the left side of an assignment =
in Javascript?
const building = {}
building?.floor?.apartment?.number = 3; // Is this possible?
See Question&Answers more detail:osIs it possible to use the optional chaining operator in the left side of an assignment =
in Javascript?
const building = {}
building?.floor?.apartment?.number = 3; // Is this possible?
See Question&Answers more detail:osIt's not possible, sorry.
In the interest of a canonical answer: The MDN documentation isn't explicit about this, but you can read the proposal's README in GitHub for more information. It says:
The following is not supported, although it has some use cases; see Issue #18 for discussion:
- optional property assignment:
a?.b = c
In the linked issue are the comments 1:
OK, seems like there's a rough agreement in this thread not to do the write case in the first iteration.
and 2:
We also discussed this question at TC39, and the committee did not seem so interested in adding this feature.
So I guess it's not likely to happen anytime soon.
Hope that helps; good luck!