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+### Hamming distance between two numbers
+
+Use XOR operator.
+Find the binary bit difference between two number using `^` operator.Convert the result to binary string using `toString(2)`.Get the difference by getting the number of 1's in the binary digit using `match(/1/g)`.
+```js
+const hammingDistance = (num1, num2) => {
+  return ((num1^num2).toString(2).match(/1/g) || '').length;
+}
+//hammingDistance(2,3) -> 1
+```