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PackageTop Level
Classpublic dynamic class ReferenceError
InheritanceReferenceError Inheritance Error Inheritance Object

A ReferenceError exception is thrown when a reference to an undefined property is attempted on a sealed (nondynamic) object. References to undefined variables will result in ReferenceError exceptions to inform you of potential bugs and help you troubleshoot application code.

However, you can refer to undefined properties of a dynamic class without causing a ReferenceError exception to be thrown. For more information, see the dynamic keyword.

View the examples.

See also

dynamic keyword


Public Properties
 PropertyDefined by
 Inheritedconstructor : Object
A reference to the class object or constructor function for a given object instance.
Object
 InheritederrorID : int
Contains the reference number associated with the specific error message.
Error
 Inheritedmessage : String
Contains the message associated with the Error object.
Error
 Inheritedname : String
Contains the name of the Error object.
Error
 Inheritedprototype : Object
[static] A reference to the prototype object of a class or function object.
Object
Public Methods
 MethodDefined by
  
ReferenceError(message:String = "")
Creates a new ReferenceError object.
ReferenceError
 Inherited
Returns the call stack for an error as a string at the time of the error's construction (for the debugger version of Flash Player only).
Error
 Inherited
setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void
Sets the availability of a dynamic property for loop operations.
Object
 Inherited
Returns the string "Error" by default or the value contained in Error.message property, if defined.
Error
 Inherited
Returns the primitive value of the specified object.
Object
Constructor detail
ReferenceError()constructor
public function ReferenceError(message:String = "")

Creates a new ReferenceError object.

Parameters
message:String (default = "") — Contains the message associated with the ReferenceError object.
Examples

The following example shows how a ReferenceError exception can be generated and handled within a try..catch statement.
package {
    import flash.display.Sprite;

    public class ReferenceErrorExample extends Sprite {

        public function ReferenceErrorExample() {
            try {
                this["someMember"] = true;
            }
            catch(e:ReferenceError) {
                trace(e);
            }
        }
    }
}





collected by Jimbob 2007.05