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includes()

includes<T>(x): (arr) => boolean

Determines whether the given array includes and element. Uses strict equality.

Type Parameters​

• T

Parameters​

x​

T

The value to find in the array.

Returns​

Function

Parameters​

arr​

T[]

Returns​

boolean

Remark​

pure function

Example​

includes(3)([[1, 2, 3, 4, 5]])
// true