null 2b undefined

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Eduardo
02 Nov 2018
1  console.log(null === null);  // true
2  console.log(undefined === undefined);  // true
3  console.log(null + undefined === null + undefined); // false
4
5// null + undfined equals NaN, and NaN isn't equal to itself :(
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Effie
24 Jan 2021
1Undefined  used for unintentionally missing values.
2
3Null       used for intentionally missing values.
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