create an OOP program that has encapsulation functionality

main.js

@@ -0,0 +1,44 @@
+'use strict'
+
+class Employee {
+  constructor(staffId, dept) {
+    this._staffId = staffId;
+    this._dept = dept;
+
+
+  }
+
+ set staffId(newstaffId) {
+  this._staffId = newstaffId;
+  }
+
+  get staffId(){
+     return this._staffId;
+
+  }
+  set dept(staffDept){
+    this._dept = staffDept;
+  }
+  get dept(){
+    return this._dept;
+  }
+
+     level(){
+
+       if(this.staffId > 5){
+      console.log("Managerial Staff");
+    }else{
+      console.log("Junior Employee");
+    }
+
+    if(this.dept == 1){
+      console.log("Customer Service Dept")
+    }else if (this.dept == 2){
+      console.log("Finance Dept")
+    }else{
+      console.log("Admin Dept")
+    }
+     }
+
+
+}