Savvy.UI

// Declare Class Person
var Person = SUI.JsClass.create({
	// public property name
	name: "zaki",
	// public method getName
	getName: function() {
		SUI("body").first().insertion("p").text(this.name);
	},
	// public __construct
	__construct: function() {
		this.name = "Zaki";
	}
});
 
// Declare Class Student
var Student = Person.extend({
	// public __construct, overwrite Person.__construct
	__construct: function() {
		this.name = "Mior Muhammad Zaki";
		this.getName();
	},
	// public method setName, not inherit to super Class
	setName: function(n) {
		this.name = n;
	}
});
 
var Zaki = new Student(); // similar to $Zaki = new Student(); in PHP
Zaki.setName("crynobone"); // set Zaki.name = 'crynobone'
Zaki.getName(); // alert Zaki.name;
 
var Mior = new Person(); // similar to $Zaki = new Person(); in PHP
Mior.setName("Mior Khairuddin"); // return error: Mior.setName is not a function
Mior.getName(); // alert Mior.name (inherited from Person.name)