difference between undefined and null?
null is a special object because typeof null returns 'object'.
On the other hand,
undefined means that the variable has not been declared,
or has not been given a value.difference between undefined and null?
null is a special object because typeof null returns 'object'.
On the other hand,
undefined means that the variable has not been declared,
or has not been given a value.Copyright © 2021 Codeinu
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