# Make F8 button work when devtool is not focused

**URL:** <https://discourse.mozilla.org/t/make-f8-button-work-when-devtool-is-not-focused/40495>\
**Category:** Developer Tools\
**Created:** [May 17, 2019, 9:28am UTC](https://discourse.mozilla.org/t/make-f8-button-work-when-devtool-is-not-focused/40495 "2019-05-17T09:28:54Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![the6thm0nth](https://avatars.discourse-cdn.com/v4/letter/t/aeb1de/32.png) [@the6thm0nth](https://discourse.mozilla.org/u/the6thm0nth)\
**Post date:** [May 17, 2019, 9:28am UTC](https://discourse.mozilla.org/t/make-f8-button-work-when-devtool-is-not-focused/40495/1 "2019-05-17T09:28:54Z")

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when I want to debug on dom animating, it’s unavoidable to press F8 to enable debug mode with mouse hover. But it’s working only when devtool window is focused.

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**Author:** ![digitarald](https://avatars.discourse-cdn.com/v4/letter/d/c77e96/32.png) [@digitarald](https://discourse.mozilla.org/u/digitarald)\
**Post date:** [May 17, 2019, 6:25pm UTC](https://discourse.mozilla.org/t/make-f8-button-work-when-devtool-is-not-focused/40495/2 "2019-05-17T18:25:05Z")

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Sounds like this be similar to the bug I filed yesterday: [https://bugzilla.mozilla.org/show\_bug.cgi?id=1552274](https://bugzilla.mozilla.org/show_bug.cgi?id=1552274)