Added unique function

Somsubhra1 · Oct 9, 2021 · e5b16c0 · e5b16c0
1 parent ec0c7dc
commit e5b16c0
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/unique.js b/unique.js
@@ -0,0 +1,14 @@
+const unique = (arr) => {
+    const prims = {"boolean":{}, "number":{}, "string":{}}, objects = [];
+
+    return arr.filter((item) => {
+        const type = typeof item;
+        if(type in prims)
+            return prims[type].hasOwnProperty(item) ? false : (prims[type][item] = true);
+        else
+            return objects.indexOf(item) >= 0 ? false : objects.push(item);
+    });
+}
+
+console.log(unique(["apple", "orange", "apple", 1, 5, 1, 1, 2]));
+// output - [ 'apple', 'orange', 1, 5, 2 ]