October 18, 2000 - Creating Error Messages
October 18, 2000|
Creating Error Messages
Tips: October 2000
Yehuda Shiran, Ph.D.
Errorobject is constructed with two arguments:
number. The error number. Zero, if no
number is provided.
description. A string that describes the error. Empty, if no
description is provided.
The following statement creates an instance of the
var myError = Error(31, "Fatal error has been detected. Failed in a consistency check. Please call your vendor.");
Error object supports two properties, matching the arguments above:
description. You can both read as well as set them. The following code prints a message, consisting of the error number and its description:
alert("Error No. " + myError.number + ":" + "\n" + myError.description);
We have added the constructor above to this tip, and now you can try and print both properties of