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arrayDiff([1, 2, 2], [1])
Size: a a a
С
arrayDiff([1, 2, 2], [1])
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function arrayDiff(arr1, arr2) {
const set = new Set(arr1);
arr2.forEach(v => set.has(v) ? set.delete(v) : set.add(v));
return Array.from(set);
}
S
function arrayDiff(arr1, arr2) {
const set = new Set(arr1);
arr2.forEach(v => set.has(v) ? set.delete(v) : set.add(v));
return Array.from(set);
}
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