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01
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What is thenable and how does it differ from Promise?
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A.
Thenable can only be used with async/await; incompatible with then() chain
B.
Any object with then() method; real Promise does not give spec guarantees; should be normalized with Promise.resolve()
C.
Promise.resolve(thenable) always throws TypeError; thenable is not a Promise
D.
Thenable is exactly same as real Promise; spec guarantees same
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