Merge remote-tracking branch 'origin/main' into feat/array-02

Author: Wakidur Rahaman

src/data-structure/array/exercise.js

@@ -0,0 +1,49 @@
+// Reference type
+// Context
+// Scope
+// Instantiation
+
+/**
+ * Reference type
+ * Context
+ * Scope
+ * Instantiation
+ */
+
+// Reference
+const object1 = { value: 10 };
+const object2 = object1; // Reference: Objects are called the reference types an javascript.
+const object3 = { value: 15 };
+
+// Context
+
+const object4 = {
+  a: function () {
+    console.log(this);
+  },
+};
+
+// Instantiation
+
+class Player {
+  constructor(name, type) {
+    this.name = name;
+    this.type = type;
+  }
+
+  introduce() {
+    console.log(`Hi I am ${this.name}, I'm a ${this.type}`);
+  }
+}
+
+class Wizard extends Player {
+  constructor(name, type) {
+    super(name, type);
+  }
+
+  play() {
+    console.log(`WEEEEE I'm a ${this.type}`);
+  }
+}
+
+const wizardInit = new Wizard("Shelly", "Programmer"); // Instantiation.