Answer: How to get the difference between two arrays in JavaScript?

answer re: How to get the difference between two arrays in JavaScript?

Oct 9 '15

2882

Array.prototype.includes() (ES2016/ ES7) comes in handy here.

---

Intersection

let intersection = arr1.filter(x => arr2.includes(x))

Yields values which are present in both arr1 and arr2.

• [1,2,3] and [2,3] will yield [2,3]
• [1,2,3] and [2,3,5] will also yield [2,3]

---

Difference

(Values in just A.)

let difference = arr1.filter(x => !arr2.includes(x));

Yields…

Open Full Answer