Update optional chaining documentation with deletion change #2145
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Prior to babel version 7.8, deleting a property with a nullish base returned undefined. The default behavior in 7.8+ returns true.
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Description
Per #2142, the
7.8release includes a change to the return value of adeleteoperation on a nullish base. Previously, it had returnedundefined, but now returnstrue. This PR adds documentation that indicates this change.Screenshot