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bleistift2 OP , 3 days ago To be fair, just because obj.foo is undefined, that doesn’t mean the key is missing. It could also be assigned the value undefined. const obj = { foo: undefined } vs const obj = {}
To be fair, just because obj.foo is undefined, that doesn’t mean the key is missing. It could also be assigned the value undefined. const obj = { foo: undefined } vs const obj = {}
obj.foo
const obj = { foo: undefined }
const obj = {}