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bug: URLSearchParams(null) behavior deviates from WHATWG standard / browsers #63559

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#63782
Closed
bug: URLSearchParams(null) behavior deviates from WHATWG standard / browsers#63559
#63782
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whatwg-urlIssues and PRs related to the WHATWG URL implementation.

Description

@tbontb-iaq
tbontb-iaq
opened on May 25, 2026

Version

v24.16.0

Platform

Linux nixos 7.0.9 #1-NixOS SMP PREEMPT_DYNAMIC Sun May 17 15:16:34 UTC 2026 x86_64 GNU/Linux

Subsystem

URLSearchParams

What steps will reproduce the bug?

(new URLSearchParams(null)).toString()

How often does it reproduce? Is there a required condition?

Every time

What is the expected behavior? Why is that the expected behavior?

'null='

What do you see instead?

''

Additional information

Image

When passing null to URLSearchParams constructor, Node.js deviates from the WHATWG URL and WebIDL specification, as well as the behavior in Chrome and Deno.

Activity

  1. KhafraDev commented on May 25, 2026

    @KhafraDev
    KhafraDev
    on May 25, 2026 · Hidden as resolved

  2. tbontb-iaq commented on May 26, 2026

    @tbontb-iaq
    tbontb-iaq
    on May 26, 2026
    Author

    Firefox behaves the same as node.

    Image

    What version of Firefox are you using? On my Firefox (Firefox for NixOS 150.0.3 (64-bit)), it behaves the same as Chrome and Deno.

  3. KhafraDev commented on May 26, 2026

    @KhafraDev
    KhafraDev
    on May 26, 2026
    Member

    Oops, mistook the correct behavior for the bug...

  4. Renegade334
    added
    whatwg-urlIssues and PRs related to the WHATWG URL implementation.
    on Jun 1, 2026

  5. marcopiraccini commented on Jun 7, 2026

    @marcopiraccini
    marcopiraccini
    on Jun 7, 2026
    Contributor

    Here a small PR for this: #63782

  6. nodejs-github-bot
    closed this as completedin #63782on Jun 9, 2026
  7. nodejs-github-bot
    added a commit that references this issue on Jun 9, 2026

    url: fix URLSearchParams(null) to prudce null= per spec

    62d143a
  8. aduh95
    added a commit that references this issue on Jun 18, 2026

    url: fix URLSearchParams(null) to prudce null= per spec

    e883366
  9. aduh95
    added a commit that references this issue on Jun 25, 2026

    url: fix URLSearchParams(null) to prudce null= per spec

    898c4a8
  10. aduh95
    added a commit that references this issue on Jul 30, 2026

    url: fix URLSearchParams(null) to prudce null= per spec

    d5be94e
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