René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"bug: URLSearchParams(null) behavior deviates from WHATWG standard / browsers","articleBody":"### Version\n\nv24.16.0\n\n### Platform\n\n```text\nLinux nixos 7.0.9 #1-NixOS SMP PREEMPT_DYNAMIC Sun May 17 15:16:34 UTC 2026 x86_64 GNU/Linux\n```\n\n### Subsystem\n\nURLSearchParams\n\n### What steps will reproduce the bug?\n\n```ts\n(new URLSearchParams(null)).toString()\n```\n\n### How often does it reproduce? Is there a required condition?\n\nEvery time\n\n### What is the expected behavior? Why is that the expected behavior?\n\n```ts\n'null='\n```\n\n### What do you see instead?\n\n```ts\n''\n```\n\n### Additional information\n\n\u003cimg width=\"531\" height=\"467\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/19635628-3be8-4d99-ba73-d3c0f7a584bb\" /\u003e\n\nWhen passing null to URLSearchParams constructor, Node.js deviates from the WHATWG URL and WebIDL specification, as well as the behavior in Chrome and Deno.","author":{"url":"https://github.com/tbontb-iaq","@type":"Person","name":"tbontb-iaq"},"datePublished":"2026-05-25T14:41:34.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/63559/node/issues/63559"}