diff --git a/findTheOddInt.js b/findTheOddInt.js
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+++ b/findTheOddInt.js
@@ -0,0 +1,19 @@
+// https://www.codewars.com/kata/find-the-odd-int/
+
+// Description:
+// Given an array, find the int that appears an odd number of times.
+// There will always be only one integer that appears an odd number of times.
+
+function findOdd(numberArr) {
+  const numberDict = {};
+  for (let i = 0; i < numberArr.length; i++) {
+    const number = numberArr[i];
+    numberDict[number] = numberDict[number] ? (numberDict[number] + 1) : 1;
+  }
+  let oddNumber = 0;
+  for (let key in numberDict) {
+    oddNumber = numberDict[key] % 2 ? key : oddNumber;
+  };
+  
+  return parseInt(oddNumber);
+}
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