Microsoft® JScript® description Property |
Language Reference Version 5 |
Returns or sets the descriptive string associated with a specific error.
object.description [= stringexpression]The description property syntax has these parts:
Part Description object Any instance of an Error object. stringexpression A string expression containing a description of the error.
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 that you can't or don't want to handle.The following example illustrates the use of the description property:
try { x = y // Cause an error. } catch(var e { // Create local variable e. document.write(e) // Prints "[object Error]". document.write((e.number & 0xFFFF))// Prints 5009. document.write(e.description) // Prints "'y' is undefined". }