TopLevel
Class Error
Error
Error represents a generic exception.
All Known Subclasses
Properties
message
:
String
An error message that provides details about the exception.
name
:
String
The name of the error based on the constructor used.
stack
:
String
The script stack trace.
This property is filled on throwing or via an explicit call captureStackTrace(Error, Function).
This property is filled on throwing or via an explicit call captureStackTrace(Error, Function).
Constructor Summary
Error()
Constructs the Error object.
Method Summary
static captureStackTrace(error
:
Error, constructorOpt
:
Function)
:
void
Fills the stack property for the passed error.
Methods inherited from class
Object
assign, create, create, defineProperties, defineProperty, entries, freeze, fromEntries, getOwnPropertyDescriptor, getOwnPropertyNames, getOwnPropertySymbols, getPrototypeOf, hasOwnProperty, is, isExtensible, isFrozen, isPrototypeOf, isSealed, keys, preventExtensions, propertyIsEnumerable, seal, setPrototypeOf, toLocaleString, toString, valueOf, values
Constructor Detail
Error
public Error(msg
:
String)
Constructs the Error object
using the specified message.
Parameters:
msg
-
the message to use,.
Method Detail
captureStackTrace
Fills the stack property for the passed error.
The optional constructorOpt parameter allows you to pass in a function value. When collecting the stack trace all frames above the topmost call to this function, including that call, are left out of the stack trace. This can be useful to hide implementation details that won’t be useful to the user. The usual way of defining a custom error that captures a stack trace would be:
The optional constructorOpt parameter allows you to pass in a function value. When collecting the stack trace all frames above the topmost call to this function, including that call, are left out of the stack trace. This can be useful to hide implementation details that won’t be useful to the user. The usual way of defining a custom error that captures a stack trace would be:
function MyError() {
// fill the stack trace, but hide the call to MyError
Error.captureStackTrace(this, MyError);
}
API Versioned:
From version 21.2.
Parameters:
error
-
The error whose stack trace should be filled.
constructorOpt
-
An optional filter to hide the topmost stack frames.
toString
toString()
:
String
Returns a String representation of the Error.
Returns:
a String representation of the Error.