config objects

Author: krish717

js_basics/objects.js

@@ -0,0 +1,37 @@
+//object -> there are ywo ways to declare an object
+// 1 using constructor == singleton become
+// 2 using literal  == singleton not become
+
+//lets create an object in  liternal way
+const user = {
+    name : "Krish",
+    age : 24
+};
+
+// user.age = 552; //for update object value
+
+// Object.freeze(user); //if want to no one can change your value of object then freeze
+// user.age = 852;
+// console.log(user);
+
+
+
+//in object we define out key and value in pair
+
+//to access the object
+// console.log(user.name);
+// console.log(user["age"]);
+
+// What are symbols JavaScript?
+// Symbols are used to create object properties, for example, when you want to assign a unique identifier to an object. They can also be used as a way to create private properties in objects, as they are not enumerable. In addition, Symbols can be used to create unique constants, which are useful when creating APIs.
+
+//object with function
+// user.greetings = function(){
+//     console.log("Hello js user");
+// }
+// user.greetingsTwo  = function(){
+//     console.log(`Hello js user + ${this.age}`);
+// }
+
+// console.log(user.greetings());
+// console.log(user.greetingsTwo());