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.what is the difference between null and undefined
Undefined used for unintentionally missing values.
Null used for intentionally missing values.null vs undefined
//loosely equal (compare values between two variables)
null == undefined // true ( null => 0 , undefined => NAN)
//strictly not equal (compare both type and value)
null === undefined // false (typeof null => object , typeof undefined => undefined)
null !== undefined // true (typeof null => object , typeof undefined => undefined)Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
