Add Object, Scope, and Class tutorials with examples and method implementations

Pankaj-Str · Pankaj-Str · commit 2cf8f2843289 · 2026-01-24T11:04:33.000+05:30
diff --git a/Lectures/Lecture01/24 Jan 2025/Object.js b/Lectures/Lecture01/24 Jan 2025/Object.js
@@ -0,0 +1,28 @@
+const info = {
+    Name : "joy",
+    Age : 21,
+    City : "New York"
+}
+
+console.log(info);
+
+// accessing values
+console.log(info.Name);
+
+// access form key 
+console.log(info["Age"]);
+
+// adding new data 
+
+info.Country = "USA";
+console.log(info);
+
+// add new function
+info.greet = function() {
+    console.log("welcome to codeswithpankaj");
+}
+
+console.log(info);
+
+
+info.greet();
diff --git a/Lectures/Lecture01/24 Jan 2025/Scope.js b/Lectures/Lecture01/24 Jan 2025/Scope.js
@@ -0,0 +1,27 @@
+// create a global variable
+
+var number = 10;
+
+function printNumber() {
+
+    // local var
+    var data = 20;
+
+    // access the global variable
+    console.log("The number is: " + number);
+    console.log("The data is: " + data);
+
+}
+
+console.log("Accessing global variable outside function: " + number);
+// console.log("Accessing local variable outside function: " + data); 
+
+function info(){
+    //console.log("call data inside info(): " + data);
+    console.log("call number inside info(): " + number);
+}
+
+
+printNumber();
+
+info();
diff --git a/Lectures/Lecture01/24 Jan 2025/class_object.js b/Lectures/Lecture01/24 Jan 2025/class_object.js
@@ -0,0 +1,32 @@
+class animal{
+    
+    color = "white";
+
+    info(){
+        console.log("This is an animal class");
+    }
+
+    type_dog(name){
+        console.log("Dog name is: " + name);
+        console.log("Dog type is: dengerous dog");
+        console.log("Dog color is:  "+ this.color);
+    }
+
+
+}
+
+
+// create object
+const dog = new animal();
+
+// access method
+dog.info();
+
+// send data to method
+dog.type_dog("Labrador");
+
+// send value to variable
+
+dog.color = "black";
+
+dog.type_dog("Bulldog");
