the.com/undefined
The value that exists specifically to admit nothing's there yet.
means A state where a variable, term, or result has no assigned value or determinable meaning.
from From Latin 'finire' (to bound or limit), with the negating prefix 'un-'; literally that which has no boundaries set, no edges drawn.
JavaScript starIts own primitive type, distinct from null
Math gremlinDividing by zero gets you here
Not nothingDifferent from empty, zero, or false