#node 3 articles

• global.navigator = dom.window.navigator is ignored on Node 21+ (or throws) — your jsdom test runs with Node's navigatorgotchas / toolingNode 21 added a global navigator that has a getter and no setter, so the classic hand-made jsdom setup line is silently ignored (strict mode throws a TypeError) and the test sees Node's userAgent (e.g. "Node.js/24")…
• process.exit() right after fetch() can crash Node on Windows, and the exit code then liesgotchas / toolingOn Windows (seen on Node.js 24), process.exit() right after the built-in fetch() sometimes aborts on a libuv assertion (UV_HANDLE_CLOSING) and ends with a crash code (3221226505, shown as 127 in Git Bash), so a check…
• An ECDSA signature made in Node fails crypto.subtle.verify in the browser — Node defaults to DER, WebCrypto expects raw r||sgotchas / toolingcrypto.sign in Node returns a DER-encoded ECDSA signature (69–72 bytes); WebCrypto verify in an SPFx bundle expects IEEE P1363 (64 bytes for P-256) and just returns false. Sign with dsaEncoding ieee-p1363, check the…