mozilla/sanitizer-polyfill

IMPORTANT -- Polyfill doesn't work against latest specification

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#347 opened on Mar 2, 2026

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Description

The code here is stale and hasn't been touched in the last months/years. It does NOT work with the API that is shipping with Firefox 148+ and Chrome 146+.

Contributor guide

Research direction
Compare the polyfill implementation with the latest Sanitizer API specification. Identify changes in constructor arguments and method signatures that need to be updated to match the shipping versions in Firefox 148+ and Chrome 146+.
Tech stack
javascript
Domain
frontend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitJavaScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60