Errors can be coding errors made by the programmer, errors due to wrong input, and other unforeseeable things. Each error is an object based upon the error object, and has a name and a message. Responses are grouped in five classes:
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Errors and exceptions are inevitable in application development
As programmers, it is our responsibility to handle these errors gracefully so that the user experience of the application is not compromised
Handling errors correctly also helps progra. Error objects are thrown when runtime errors occur Javascript error reference below, you'll find a list of errors which are thrown by javascript These errors can be a helpful debugging aid, but the reported problem isn't always immediately clear
The pages below will provide additional details about these errors