Optional chaining syntax is coming to JavaScript!
This feature enables readable and concise expression of property accesses with built-in nullish checking. @MayaLekova explains: https://v8.dev/features/optional-chaining …pic.twitter.com/ycjzZAB4S6
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if i can’t read an expression within 2 secs it’s usually counterproductive and leads to more complicated code/bugs. less is not always more...
or you're just not used to a particular syntax and need some time to adjust 
Why the ?. between every property? Most languages allow a.b.c ?? "default"
That is a null coalesce operator, which is different to safe navigation/optional chaining. Your example will return default only if c is falsey, but will throw if a or b are not objects.
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