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adyngom/odd-occurences-in-array.js

Created September 7, 2017 18:46
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odd-occurences-in-array.js
function solution(A) {
return A.reduce( (a,c) => a ^= c ); // xor operator is sexy :)
}
var barr = [10,10, 4, 3, 4, 6, 8, 8, 6];
console.log(solution(barr)); // returns 3;
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