anna = {} bill = {} anna.age = null bill.age = null console.log(anna.age == bill.age) // ??? console.log(anna.age === bill.age) // ??? anna.age = NaN bill.age = NaN console.log(anna.age == bill.age) // ??? console.log(anna.age === bill.age) // ???
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Discussion on: Differences between "null" and "undefined" keywords?
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