day 25 task complete

Author: Sanchitbajaj02

day25/leetcode2722.js

@@ -0,0 +1,25 @@
+// 2722. Join Two Arrays by ID
+// URL -> https://leetcode.com/problems/join-two-arrays-by-id/
+
+/**
+ * @param {Array} arr1
+ * @param {Array} arr2
+ * @return {Array}
+ */
+var join = function (arr1, arr2) {
+  const joined = [...arr1, ...arr2]
+
+  let map = {}
+
+  for (let obj of joined) {
+    let id = obj.id
+
+    if (map.hasOwnProperty(id)) {
+      map[id] = { ...map[id], ...obj }
+    } else {
+      map[id] = obj
+    }
+  }
+
+  return Object.values(map)
+};