falsy

in javascript, null is a falsy value.

the function returns a falsy result when the input is invalid.

we treat empty strings as falsy in conditional statements.

the expression evaluates to falsy because the number is zero.

many developers confuse truthy and falsy concepts.

the boolean check converts the operand to falsy or truthy.

an empty array is actually truthy, not falsy in javascript.

the condition becomes falsy when the variable is undefined.

you should verify whether the value is falsy before using it.

the comparison returns falsy due to type coercion rules.

this pattern helps avoid falsy checks by using default values.

in python, none is considered falsy in boolean contexts.