Function includes

Checks if value is in collection. If collection is a string, it's checked for a substring of value, otherwise SameValueZero is used for equality comparisons. If fromIndex is negative, it's used as the offset from the end of collection.

Since

5.12.0

Example

includes([1, 2, 3], 1);
// => true

includes([1, 2, 3], 1, 2);
// => false

includes({ 'a': 1, 'b': 2 }, 1);
// => true

includes('abcd', 'bc');
// => true
Copy