Init inheritance samples

2026-09-22 13:38:43 +00:00 · 2023-08-09 17:29:52 +07:00
parent d9b75521b3
commit dcc8ce8f3b
2 changed files with 37 additions and 0 deletions
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Javascript Training</title>
+  </head>
+  <body>
+    <h1>Javascript Training</h1>
+    <script src="./index.js"></script>
+  </body>
+</html>
@@ -0,0 +1,25 @@
+// Inheritance
+
+class Animal {
+  hello() {
+    return "I'm not define animal yet!";
+  }
+}
+
+class Cat extends Animal {
+  hello() {
+    return super.hello() + " Now, I'm a cat.";
+  }
+}
+
+class Dog extends Animal {
+  hello() {
+    return "I'm a dog.";
+  }
+}
+
+const cat = new Cat();
+console.log(cat.hello());
+
+const dog = new Dog();
+console.log(dog.hello());