expression is
an
element
of
list
The is an element of
operator evaluates to true
if any of the elements of the given list are equal to the given expression. If none of the elements of the given list are equal to the given expression, the is an element of
operator evaluates to false
.
Equality is determined as specified for the =
operator. For a stricter definition of equality (as specified for the ===
operator), see is precisely an element of
.
is precisely an element of
, is not an element of
, is not precisely an element of