description
Summary
Returns or sets the descriptive string associated with a specific error.
Syntax
object .description [ = stringExpression ]
- object
- Required. Any instance of an Error object.
- stringExpression
- Optional. A string expression containing a description of the error.
Examples
The following example illustrates the use of the description property.
try
{
// Cause an error:
x = y
}
catch(e)
{
// Prints "[object Error]":
document.write(e)
document.write (" ");
// Prints 5009:
document.write((e.number & 0xFFFF))
document.write (" ");
// Prints "'y' is undefined":
document.write(e.description);
document.write (" ");
// Prints "'y' is undefined":
document.write(e.message)
}
Remarks
The description property contains the error message string associated with a specific error. Use the value contained in this property to alert a user to an error.
The description and message properties provide the same functionality; the description property provides backward compatibility; the message property complies with the ECMA standard.
See also
Other articles
Attributions
Microsoft Developer Network: Article