Another solution for this exercise using Object

techqueria · Oct 30, 2020 · 599ee5d · 599ee5d
1 parent bbc47c3
commit 599ee5d
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/JavaScript/chapter01/p01_is_unique/fvntr.js b/JavaScript/chapter01/p01_is_unique/fvntr.js
@@ -14,3 +14,15 @@ describe(module.filename, () => {
     assert.deepEqual(isUnique([1,1,1,2,2,2,2,3,3,3,3]), [1,2,3]);
   });
 });
+
+//Solution using Object
+const isUnique2=(arr)=>{
+let obj = {}
+for (let elem of arr){
+  if(obj.hasOwnProperty(elem)) obj[elem]++
+  else obj[elem] = 1
+}
+
+return Object.keys(obj)
+}
+//isUnique2([1,1,1,2,2,2,2,3,3,3,3]) //returns[1,2,3]