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From instanceof to Error.isError: safer error checking in JavaScript
Post Reply RetroFed Forums Forum Index » JavaScript
AuthorMessage
codeinabox programming.dev codeinabox@programming.dev
Joined: 2025-09-29
Quote

Link: https://allthingssmitty.com/2026/02/23/from-instanceof-to-error-iserror-safer-error-checking-in-javascript/

JavaScript now has Error.isError(value), a realm-safe way to answer, “Is this actually an error?”
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