includesAll
Returns true
if all the elements in values
are included in arr
, false
otherwise.
Use Array.prototype.every()
and Array.prototype.includes()
to check if all elements of values
are included in arr
.
typescript
const includesAll = <T = any>(arr: T[], values: T[]) =>
values.every((v) => arr.includes(v));
includesAll([1, 2, 3, 4], [1, 4]); // true
includesAll([1, 2, 3, 4], [1, 5]); // false