updated

tomarcodinglife · tomarcodinglife · commit f249aaf9e3c2 · 2025-05-02T21:30:15.000+05:30
diff --git a/25_Revision/19_oops_and_classes/11_object.js b/25_Revision/19_oops_and_classes/11_object.js
@@ -0,0 +1,36 @@
+// object property handle
+
+let pi = Math.PI
+console.log(pi) // 3.141592653589793 it is default value
+
+
+let piObj = Object.getOwnPropertyDescriptor(Math, "PI") // it is a method of object property show method
+console.log(piObj)
+/*
+{
+  value: 3.141592653589793,
+  writable: false,
+  enumerable: false,
+  configurable: false
+}
+*/
+
+let myNewObj = Object.create({})
+console.log(myNewObj)
+
+myNewObj.courseName = "JavaScript"
+myNewObj.price = 499
+myNewObj.instructor = "SujitTomar"
+
+console.log(myNewObj)
+console.log(Object.getOwnPropertyDescriptor(myNewObj, "price")); 
+// { value: 499, writable: true, enumerable: true, configurable: true }
+
+Object.defineProperty(myNewObj, "price",{
+    writable : false,
+    enumerable : false,
+    configurable : false
+}) 
+
+console.log(Object.getOwnPropertyDescriptor(myNewObj, "price")); 
+// { value: 499, writable: false, enumerable: false, configurable: false }
diff --git a/25_Revision/19_oops_and_classes/12_object.js b/25_Revision/19_oops_and_classes/12_object.js
@@ -0,0 +1,36 @@
+let course = {
+    courseName : "JavaScript",
+    prince: 899,
+    teacher : "tomar"
+}
+/* function create in object */
+course.buyCourse = function(){
+    console.log("Code Fat Gaya ese hi bolte hai😊")
+}
+
+// in this case you give a return function that is problem
+for (let [key, value] of Object.entries(course)){
+    console.log(`${key} : ${value}`);
+}
+
+/* 
+courseName : JavaScript
+prince : 899
+teacher : tomar
+buyCourse : function(){
+    console.log("Code Fat Gaya ese hi bolte hai😊")
+}
+*/
+
+// in this case you get better result 
+for (let [key, value] of Object.entries(course)){
+    if(typeof value !== 'function'){   // here you pass function in string case
+        console.log(`${key} : ${value}`);
+    }
+}
+
+/*
+courseName : JavaScript
+prince : 899
+teacher : tomar
+ */
