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I added some breakpoints in Firefox debugger and when I removed them, they just disappear in the Breakpoints list.Then, when I load the page, it still pauses at the breakpoints.

If I close the Developer Tools window and open it again, the breakpoints I removed will come back again. In that case, I cannot debug this page for its annoying pauses.

This issue occurred when Firebug still existed years ago. Is there any way to clean the breakpoints or reset the debugger?

Sebastian Zartner
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wh201906
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  • Which version of Firefox? – spikey_richie Aug 21 '19 at 14:01
  • Hello @spikey_richie it is 68.0.2 (64-bit) on Windows 10 1903 – wh201906 Aug 21 '19 at 14:18
  • Is this still a problem with the latest version of Firefox (i.e. 72.0.1)? Then you should first try the latest Nightly version from https://nightly.mozilla.org and if it also occurs there, file a bug via https://bugzilla.mozilla.org/enter_bug.cgi (in product 'DevTools' and component 'Debugger'). – Sebastian Zartner Jan 10 '20 at 10:21
  • I'm still seeing this in Firefox 83. The closest bug I can see is https://bugzilla.mozilla.org/show_bug.cgi?id=1608816 – opticyclic Dec 18 '20 at 21:25

1 Answers1

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I experienced the same problem. I typically had a breakpoint on a line like this:

z.appendChild(document.createTextNode(......

Two breakpoint-marks were available, one on z and the other on appendChild. Finally I activated both, subsequently it paused. Then I disabled both, one by one, and no unwanted pause anymore.

Donald Duck
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Xylian
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    Your answer could be improved with additional supporting information. Please [edit] to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers [in the help center](/help/how-to-answer). – Community May 16 '22 at 14:45