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Selection (042) - what is the output of the following code?

2022-06-21 14:44:00 【Qi Delong】 

function sayHi() {
  return (() => 0)()
}

typeof sayHi()
  • A: "object"
  • B: "number"
  • C: "function"
  • D: "undefined"

Refer to the answer

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