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());