herencia

javascript

by jorge astocaza

JavaScript

function A() {
	this.value = 1;
}
A.prototype.decir = function() {
	alert('dice ' + this.value);
};
var a = new A();
a.decir();


function B() {
	this.value = 2;
}

B.prototype = new A();

var b = new B();
b.decir();