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extend-class.html
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<!DOCTYPE html>
<html>
<head>
<!-- Load babel 5 - babel-core -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.38/browser.js"></script>
<script>
class Vehicle {
// Constructor function
constructor(description, wheels) {
// properties for the Vehicle
this.description = description;
this.wheels = wheels;
}
// DescribeYouself method inside of class Vehicle
describeYourself () {
console.log(`I am ${this.description} with ${this.wheels} wheels.`);
}
}
// Create a new instance of Vehicle class
var suv = new Vehicle("Audi Q5", 4);
suv.describeYourself();
// Inheritance Vehicle class
class Bus extends Vehicle {
// Bus Constructor Function
constructor () {
// super to Vehicle properties
super("Limerick 304", 6);
}
}
var Bus_ThreeOFour = new Bus();
Bus_ThreeOFour.describeYourself();
</script>
<title>Class Inheritance</title>
</head>
<body>
<h1>Hit the pit</h1>
<h2>Class Inheritance</h2>
<p>Keyword: <strong>extends </strong> and <strong>super</strong>.</p>
</body>
</html>