Falsy

Origin

false + -y

Full definition of falsy

Adjective

1. (computing, programming, JavaScript) Evaluating to false in a Boolean context.
• 2012, David Flanagan, JavaScript Pocket Reference (page 40)In JavaScript, any expression or statement that expects a boolean value will work with a truthy or falsy value, so the fact that && does not always evaluate to

Antonyms

• (computing) truthy