🚧logical operator
🚧 under construction -> example
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🚧 under construction -> example
Last updated
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Was this helpful?
JS ⟩ statement ⟩ expression ⟩ operator ⟩ logical ⟩
a && b ：returns a if a is falsy, otherwise returns b.
a || b：returns a if a is truthy, otherwise returns b.
a ?? b：returns a if a is non-nullish, otherwise returns b.
!a：returns false if a is truthy, otherwise returns true.
&& and || can do short-circuiting.
unlike && and ||, ! always returns true or false.
any to .
!!x // conversion: any -> true/false