User Guide

Error class 289
Error class
Availability
Flash Player 7.
Description
Contains information about an error that occurred in a script. You create an Error object using
the
Error constructor function. Typically, you throw a new Error object from within a try code
block that is then caught by a
catch or finally code block.
You can also create a subclass of the Error class and throw instances of that subclass.
Method summary for the Error class
Property summary for the Error class
Constructor for the Error class
Availability
Flash Player 7.
Usage
new Error([message:String]) : Error
Parameters
message
A string associated with the Error object; this parameter is optional.
Returns
A reference to an Error object.
Description
Constructor; creates a new Error object. If message is specified, its value is assigned to the object’s
Error.message property.
Example
In the following example, a function throws an error (with a specified message) if the two strings
that are passed to it are not identical:
function compareStrings(str1_str:String, str2_str:String):Void {
if (str1_str != str2_str) {
Method Description
Error.toString()
Returns the string representation of an Error object.
Property Description
Error.message
A string that contains an error message associated with an error.
Error.name
A string that contains the name of the Error object.
CHAPTER 2
ActionScript Language Reference