Как получать разницу между массивами в javascript?

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const array1 = [1, 2, 3, 4, 5];
const array2 = [3, 4, 5, 6, 7];

const diffArray = array1.filter(x => !array2.includes(x));

console.log(diffArray);  // [1, 2]

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const array1 = [1, 2, 3, 4, 5];
const array2 = [3, 4, 5, 6, 7];

const diffArray = array1.reduce((acc, value) => {
  if (!array2.includes(value)) {
    acc.push(value);
  }
  return acc;
}, []);

console.log(diffArray);  // [1, 2]

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const array1 = [1, 2, 3, 4, 5];
const array2 = [3, 4, 5, 6, 7];

const diffArray = [...array1].filter(x => !array2.includes(x));

console.log(diffArray);  // [1, 2]

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const array1 = [1, 2, 3, 4, 5];
const array2 = [3, 4, 5, 6, 7];

const diffArray1 = array1.filter(x => !array2.includes(x));
const diffArray2 = array2.filter(x => !array1.includes(x));

console.log(diffArray1);  // [1, 2]
console.log(diffArray2);  // [6, 7]

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const array1 = [1, 2, 3, 4, 5];
const array2 = [3, 4, 5, 6, 7];

const diffArray = [];

for (let i = 0; i < array1.length; i++) {
  if (!array2.includes(array1[i])) {
    diffArray.push(array1[i]);
  }
}

console.log(diffArray);  // [1, 2]