This solution is generated by ChatGPT, correctness is not guaranteed.
80. Proxy I
The code outputs:
1 2 1 2
The first two console.log statements output the values of the
foo property in
obj and the value associated with the key
The second two console.log statements output the same values, but accessed through the proxies
proxyMap. Since the proxies are empty, they act as pass-throughs to the underlying objects.