type definition for an equality check specification.
when undefined, javascript's regular === equality will be used.
when false, equality will always be evaluated to false, meaning that setting any value will always fire a signal, even if it's equal.
type definition for an equality check specification.
when
undefined, javascript's regular===equality will be used.when
false, equality will always be evaluated to false, meaning that setting any value will always fire a signal, even if it's equal.