Update js codes.docx

Author: priya42bagde

js codes.docx

@@ -3103,6 +3103,19 @@ However, if you use the assignment operator for a reference value, it will not c
  JS objects (as non-primitive data types) differ because they have reference values and those values are mutable. This means they share a memory address when shallow copied.
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 Airbus Interview Question:
+function countOccurance(arr){
+  let map ={}, sortedArr = arr.sort((a,b)=>a-b);
+  for(var item of sortedArr){
+    if(map[item]){
+        map[item]++
+    }else{
+        map[item] = 1; 
+    }
+  }
+  return map;
+}
+console.log(countOccurance([1, 4, 91, 21, 91, 0, 32, 4, 11, 3, 54, 34, 21]))
+--------------------------------------------------------------------------------
 function countOccurance(arr){
  let map ={}, sortedArr = arr.sort((a,b)=>a-b);
   for(var item of sortedArr){