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GeezerVison is showing github.com — [Question] How do I enable millisecond diff? · Issue #940 · debug-js/debug

[Question] How do I enable millisecond diff? #940

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[Question] How do I enable millisecond diff?#940
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@vedantroy
vedantroy
opened on Aug 14, 2023
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The debug package shows a very nice millisecond diff feature:

image

But for some reason, in my logs, I don't see it. (Although I do see timestamps). I prefer seeing millisecond diff, over timestamps. How can I enable the millisecond diff? I'm using debug 4.3.4.

It might have to do with the fact that my logs are printing to docker-compose output? Not sure.

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  1. official-burak commented on Aug 26, 2026

    @official-burak
    official-burak
    on Aug 26, 2026
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    The +Nms suffix only prints when colors are on. docker-compose usually has no TTY on stderr, so debug falls back to ISO timestamps.

    DEBUG_COLORS=1 docker compose up

    Same for a child process with piped stderr. DEBUG_HIDE_DATE only drops the timestamp; it does not turn the diff back on.

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