Operators

isn't an element in

Supported By

Syntax

expression isn't an element in list

Description

The isn't an element in operator evaluates to true if none of the elements of the given list are equal to the given expression. If any of the elements of the given list are equal to the given expression, the isn't an element in operator evaluates to false.

Note

Equality is determined as specified for the = operator. For a stricter definition of equality (as specified for the === operator), see op:is not precisely an element of.

Synonyms

is not an element in, is not an element of, isn't an element of

See Also

is an element of, is precisely an element of, is not precisely an element of