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TIL Finds the differences between arrays

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TAGS: arrays javascript

Finds the differences between arrays

const differenceInArrays = (array1, array2) =>  {
    const set = new Set(array2);
    return array1.filter(x => !set.has(x));
};
differenceInArrays(["apple", "orange", "banana"], ["apple", "orange", "mango"]); // ["banana"]
differenceInArrays([10, 12, 5], [66, 10, 6]); // [12, 5]

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TIL Finds the differences between arrays

Finds the differences between arrays