"use strict";

module.exports = function doArraysIntersect(arrayA, arrayB) {
	let oneSet, otherArray;

	if (arrayA.length > arrayB.length) {
		oneSet = new Set(arrayA);
		otherArray = arrayB;
	} else {
		oneSet = new Set(arrayB);
		otherArray = arrayA;
	}
	
	return otherArray.some((item) => oneSet.has(item));
};