JSFiddle - React, Tailwind, and code Playground

by Sedbol

JavaScript

var a = [1, 2, 3, 4, 5],
    b = [1, 2, 3, 4, 5, 6];

function diff (a, b) {
    if (a.length > b.length) {
        return _.difference(a, b);
    } else {
        return _.difference(b, a);
    }
}

a(_.difference(b, a));