Test whether value is error object

egg-errors provide two kinds of errors that is Error and Exception.

Detect whether a value is an error

Check if a value is an `Error` instance

Test if a value is an Error object.

egg-errors provide two kinds of errors that is Error and Exception.

Check if a value is an error constructor

Detect whether a value is an error.

Error utils for all Webstudio packages

Check if an HTTP status code is an error code

A lightweight JavaScript utility library with common functions

Error comparison and information related utility for node and the browser

Error constructor for test and validation frameworks that implements standardized AssertionError specification.

Remembering which response code to use is error prone and unsexy. Let these semantic response extensions increase your sex-appeal and reduce your error-pronity.

Type check values

Check if a value is a Fetch network error

richer JavaScript errors

Throw a given error

An overlay for displaying stack frames.

See nodejs errors with less clutter