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This does not seem to disable JS altogether, only JS JIT compilation. IIUC, JS will still be executed, although via an interpreter (which is safer) rather than

This does not seem to disable JS altogether, only JS JIT compilation. IIUC, JS will still be executed, although via an interpreter (which is safer) rather than via compiled machine code (which might be used to exploit memory safety bugs such as type confusion, somewhat frequent on the JS side).

egberts1 4y ago
which in my cybersecurity book is considered a “miss”.
- Nextgrid 4y ago
  FYI, if you mean that it should disable JS completely then you can already do that in Settings -> Safari.