falsey

the function returns a falsey value when the input is invalid.

javascript treats empty strings as falsey values.

we need to fix the falsey check in the validation logic.

the comparison produced a falsey result instead of the expected boolean.

use a conditional to handle the falsey case properly.

the test suite revealed some falsey behavior in the code.

the expression evaluates to falsey when both operands are zero.

this library has a bug where it returns falsey instead of null.

the falsey evaluation happens before the main logic executes.

you should convert the falsey return to an explicit boolean.

the condition becomes falsey if the user doesn't provide input.

in python, none is considered falsey in boolean contexts.