Create xor_array.js

Author: Jaskaran Singh

xor_array.js

@@ -0,0 +1,13 @@
+/**
+ * @param {number} n
+ * @param {number} start
+ * @return {number}
+ */
+var xorOperation = function(n, start) {
+    let total = 0;
+    
+    for(let i = 0; i < n; i++)
+        total ^= start + 2 * i;
+
+    return total;
+};