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[JS][7kyu] Playing with Sets : Intersection #5233

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[JS][7kyu] Playing with Sets : Intersection #5233

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19 changes: 19 additions & 0 deletions codewars/7kyu/playing-with-sets-intersection/koronya.js
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// [JS][7kyu] Playing with Sets : Intersection
// playing-with-sets-intersection
// https://www.codewars.com/kata/5884d46015a70f6cd7000035/train/javascript

const inter = (s1, s2) => {
const result = new Set()
s1.forEach((item) => {
if (s2.has(item)) {
result.add(item)
}
})
return result
}

// es2024
const inter2 = (s1, s2) => s1.intersection(s2)

inter(new Set([1, 2]), new Set([2, 3]))
inter2(new Set([1, 2]), new Set([2, 3]))