added some notes over object

Author: soureen2003

04_objects/01_obj_basics.js

@@ -10,12 +10,15 @@ const JsUser = {
     age: 22,
     location: "Bankura",
     isLogged: false,
-    [mySymbol]: "key1"
+    [mySymbol]: "key1",
+    "full-name" : "Soureen Laha"
 
 }
 //there is a datatype called symbol in javascript
 
 console.log(JsUser.email);
 console.log(JsUser[mySymbol]);
 console.log(typeof mySymbol);
+console.log(JsUser["full-name"]);
 
+//notes : using the jsuser.email is not a good practise, rather than we should use ["then the key name"] this is the way it can be use all the time