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function intersection(nums1, nums2) {
var inter = [];
for(var i = 0; i<nums1.length;i++){
var element1 = nums1[i];
for(var j = 0; j<nums2.length;j++){
var element2 = nums2[j];
if(element1 == element2 && !(inter.includes(element1))){
inter.push(element1);
}
}
}
return inter;
}