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process.on('an event', function () {
    setTimeOut(function onTimeOut() {

        // ... code

    }, 5000)
})

Hi friends! I have two question, please advise me.

  1. Will the named callback function onTimeOut stored at Global scope and skipped by GC?
  2. If it is stored at local scope, it will re-created every time the event invoked (tagged to GC), right?
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1 Answer 1

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  1. No, it is stored in the closest scope just like any other variable/value. Additionally, the name will only be referenceable inside the body of that function.
  2. Yes, a new callback function will be created every time the an event event fires.
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