is

Check if value is array, like Array.isArray().

const is = require('@extra-array/is');
// is(<value>)

is([5, 12, 14, 9, 14, 15]);
// true
is(['e', 'l', 'n', 'i', 'n', 'o']);
// true
is(new Set([5, 12, 14, 9, 14, 15]));
// false
is({array: true});
// false

With extra-array try Array.is() instead.