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contains

Overloads​

NameDescription
contains(Object container, Object item) -> ObjectTests whether a container contains an equal item.
contains(Object container, Object item, Object compare_func) -> ObjectTests whether a container contains an item using a comparator.

contains(Object container, Object item) -> Object​

Tests whether a container contains an equal item.

Parameters​

  • container: The container to inspect.
  • item: The item to find.

Returns​

Whether an equal item exists.

Example​

contains([1, 2, 3], 2)
//-> true

contains(Object container, Object item, Object compare_func) -> Object​

Tests whether a container contains an item using a comparator.

Parameters​

  • container: The container to inspect.
  • item: The item to find.
  • compare_func: The equality predicate.

Returns​

Whether a matching item exists.

Example​

contains([1, 2, 3], 2, `==`)
//-> true