Check if array includes all values
JavaScript, Array · Oct 20, 2020
Checks if all the elements in values are included in arr.
- Use
Array.prototype.every()andArray.prototype.includes()to check if all elements ofvaluesare included inarr.
const includesAll = (arr, values) => values.every(v => arr.includes(v));includesAll([1, 2, 3, 4], [1, 4]); // true
includesAll([1, 2, 3, 4], [1, 5]); // false
