Dynamic prototype : prototype « Object Oriented « JavaScript Tutorial

<html>
<head>
<title>Example</title>
</head>
<body>
<script type="text/javascript">
function Car(sColor, iDoors, iMpg) {
    this.color = sColor;
    this.doors = iDoors;
    this.mpg = iMpg;
    this.owers = new Array("AA", "BB");

    if (typeof Car._initialized == "undefined") {
        Car.prototype.showColor = function () {
            alert(this.color);
        };
        Car._initialized = true;
    }
}


var oCar1 = new Car("red", 4, 23);
var oCar2 = new Car("blue", 3, 25);

oCar1.owers.push("CC");

document.write(oCar1.owers);
document.write("<BR>");
document.write(oCar2.owers);

</script>

</body>
</html>

25.6.prototype
	25.6.1.	Prototype Paradigm
	25.6.2.	Function share with Prototype Paradigm
	25.6.3.	Hybrid Constructor/Prototype Paradigm
	25.6.4.	Dynamic Prototype Method
	25.6.5.	Dynamic prototype
	25.6.6.	Use prototype to add properties to an object
	25.6.7.	Modifying Objects: Creating a New Method
	25.6.8.	Add method to Array object
	25.6.9.	Redefining an Existing Method
	25.6.10.	Define a method after object instantiation