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from ZoltanOnody solution in Clear category for [old] Common Words by oduvan
"use strict";
const intersection = (set1, set2) => {
return [...set1].filter(x => set2.has(x));
}
function commonWords(first, second) {
let array = intersection(
new Set(first.split(',')),
new Set(second.split(','))
);
return array.sort().join(',');
}
Oct. 9, 2016
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