Diff Two Arrays

index.js

// Compare two arrays and return a new array with any items only found in one of the two given arrays, but not both. In other words, return the symmetric difference of the two arrays.

// Note: You can return the array with its elements in any order.

function diffArray(arr1, arr2) {
  const newArr = [];
  filter(arr1, arr2, newArr)
  filter(arr2, arr1, newArr)
  return newArr;
}

function filter(arr1, arr2, newArr) {
    arr1.map(el => {
    if(!arr2.includes(el)) {
      newArr.push(el)
    }
  })
}

diffArray([1, 2, 3, 5], [1, 2, 3, 4, 5]);

function diffArray(arr1, arr2) {
  let newArr = [];
  const canArr = arr1.concat(arr2)
  newArr = canArr.filter(el => {
    return !arr1.includes(el) || !arr2.includes(el)
  })
  console.log(newArr)
  return newArr;
}

diffArray([1, 2, 3, 5], [1, 2, 3, 4, 5]);