FLASH® LITE™ 2.x - Adobe Help and Support

Returns
Boolean - A Boolean value: true if the object is in the prototype chain of the object specified
by the theClass parameter; false otherwise.
Object constructor
public Object()
Creates an Object object and stores a reference to the object's constructor method in the
object's constructor property.
Example
The following example creates a generic object named myObject:
var myObject:Object = new Object();
__proto__ (Object.__proto__ property)
public __proto__ : Object
Refers to the prototype property of the class (ActionScript 2.0) or constructor function
(ActionScript 1.0) used to create the object. The __proto__ property is automatically
assigned to all objects when they are created. The ActionScript interpreter uses the __proto__
property to access the prototype property of the object's class or constructor function to find
out what properties and methods the object inherits from its superclass.
Example
The following example creates a class named Shape and a subclass of Shape named Circle.
// Shape class defined in external file named Shape.as
class Shape {
function Shape() {}
}
// Circle class defined in external file named Circle.as
class Circle extends Shape{
function Circle() {}
}
The Circle class can be used to create two instances of Circle:
var oneCircle:Circle = new Circle();
var twoCircle:Circle = new Circle();
The following trace statements show that the __proto_ property of both instances refers to
the prototype property of the Circle class.
trace(Circle.prototype == oneCircle.__proto__); // Output: true
526 ActionScript classes