task2.js

// 2. Write a JavaScript function to find the unique elements from two arrays. Example :
// console.log(difference([1, 2, 3], [100, 2, 1, 10]));
// ["1", "2", "3", "10", "100"]
// console.log(difference([1, 2, 3, 4, 5], [1, [2], [3, [[4]]],[5,6]]));
// ["1", "2", "3", "4", "5", "6"]
// console.log(difference([1, 2, 3], [100, 2, 1, 10]));
// ["1", "2", "3", "10", "100"]

function difference(array1,array2){
    return [...new Set([...array1.flat(Infinity), ...array2.flat(Infinity)])].sort((a, b) => {
        return a - b
    }).map(item => item.toString());
}

console.log(difference([1, 2, 3], [100, 2, 1, 10]));
console.log(difference([1, 2, 3, 4, 5], [1, [2], [3, [[4]]],[5,6]]));
console.log(difference([1, 2, 3], [100, 2, 1, 10]));