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DOM tree disappears from Developer Tools upon page refresh

The issue I am experiencing is this - whenever I refresh a tab within my browser while developer tools is open on that tab, the DOM tree disappears completely. I am still… (read more)

The issue I am experiencing is this - whenever I refresh a tab within my browser while developer tools is open on that tab, the DOM tree disappears completely. I am still able to click "inspect" and hover over elements, and I still get the visual feedback of the styles being applied to that element. Additionally, the CSS styles still display in the right-hand side of developer tools when I inspect an element. The only issue I'm seeing within the "Inspector" tab within developer tools is the missing DOM tree.

The other tabs within developer tools (Console, Debugger, Network, Performance, etc...) seem to be working fine (as far as I can tell). Navigating to another page within this tab does not solve the issue.

If I open a new tab within the same browser window, I am able to see the DOM tree again, but only until the page refreshes in which case the error occurs again. I have experienced this issue intermittently for a couple of years now, but this is the first time where it has been persistent despite re-installing browser, restarting computer, etc...

Please let me know if there is any further information that I can provide that might help solve this issue.

Thanks very much for any help that anybody can provide.

Asked by jbslettebak 1 month ago

How to prevent that Firefox auto start download files with Header "content-type: text/markdown"?

For example: I visit https://raw.githubusercontent.com/vvb2060/Magisk/b03fdcb14dc0e7ec88e98ac3dd769d96ab01c1e2/app/src/main/res/raw/changelog.md It open normally and I c… (read more)

For example: I visit https://raw.githubusercontent.com/vvb2060/Magisk/b03fdcb14dc0e7ec88e98ac3dd769d96ab01c1e2/app/src/main/res/raw/changelog.md It open normally and I can directly see what inside of it. The "content-type" of this http request is "text/plain".

But if I visit https://cdn.jsdelivr.net/gh/vvb2060/Magisk@b03fdcb14dc0e7ec88e98ac3dd769d96ab01c1e2/app/src/main/res/raw/changelog.md Firefox will download it automatically, instead of directly open it in browser. The "content-type" of this http request is "text/markdown".

This is not the problem of "What should Firefox do with other files?" setting...

I make a test, I create a file "test.md" in the Nginx website folder, and I add "default_type text/markdown" to conf to force its content-type, pic here: https://vip2.loli.io/2022/05/12/v39nT8wu6yIlXeH.png

When I open it in Edge Chromium, it will shows what inside of it: https://vip1.loli.io/2022/05/12/EGFwgHPtNjqshyl.png

But Firefox... https://vip1.loli.io/2022/05/12/vuz8YBQAlD2ZCGk.png ( Here I turn on "Ask whether to open or save files")

I am using Firefox Dev 101.0b5 and also test it with Firefox Stable 100.0, the same.

Asked by TigerBeanst 1 month ago

DevTools inspector tab gets blank

Hello, It got really hard to debug with Firefox Developer Edition devtools when inspector tab keeps disappearing while debugger point is hit. Using HTMLElement link from… (read more)

Hello,

It got really hard to debug with Firefox Developer Edition devtools when inspector tab keeps disappearing while debugger point is hit.

Using HTMLElement link from console doesn't return Inspector

Pressing F12 and F12 again helps, but then again have to reach the break point which is frustrating.

Firefox 101.0b5 (64-bit) Windows 10 Pro 21H2 Build 19044.1645 CPU - i5-1145g7 RAM - 16gb

Any way to solve this apart reinstalling Firefox ? As well why the same bug can stay 8 years? https://support.mozilla.org/en-US/questions/980988

Asked by xNaii 1 month ago

  • Locked

found a bug with firefox 101.0b5 website https://www.express.co.uk/ it does not display the comments for an article. Works with Microsoft Edge

duplicate of /questions/1376840 thread. found a bug with firefox 101.0b5 website https://www.express.co.uk/ it does not display the comments for an article. Works with Mi… (read more)

duplicate of /questions/1376840 thread.

found a bug with firefox 101.0b5 website https://www.express.co.uk/ it does not display the comments for an article. Works with Microsoft Edge

Asked by Ga Mountain Hiker 1 month ago

Any way to adjust add-on icon spacing on the toolbar?

I searched extensively for this and could only find answers regarding bookmarks, not add-on icons. Of course I could still be missing it... I am upgrading from Firefox De… (read more)

I searched extensively for this and could only find answers regarding bookmarks, not add-on icons. Of course I could still be missing it...

I am upgrading from Firefox Developer 86 to 101.

The spacing between add-on icons has been increased in Firefox 101, making the URL bar shorter:

https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2022-05-26-17-03-36-e06f37.png

Does anyone know of a userChrome.css script that I can use to decrease the add-on icon spacing in Firefox 101, to make it more like Firefox 86?

Asked by BlohoJo 1 month ago

Webauthn/FIDO2 2FA key support for Firefox Accounts

Hi, Firefox Accounts (Fxa) support TOPT (Google authenticator etc) 2FA, which is pretty good, however it would be great if you could support Webauthn/FIDO2 (Yubikey etc).… (read more)

Hi, Firefox Accounts (Fxa) support TOPT (Google authenticator etc) 2FA, which is pretty good, however it would be great if you could support Webauthn/FIDO2 (Yubikey etc).

There was a Bugzilla bug for this, https://bugzilla.mozilla.org/show_bug.cgi?id=1464888 opened 4 years ago, however about a year ago it was closed wontfix because it "is not currently on our roadmap"

Which seems like a really bad idea? Given that most security people, browsers and OSs are saying "passwordless is the future", and FIDO2 is how that will happen. And even passwordless aside, FIDO2 is a more robust and generally easier to use option than even TOTP apps

Asked by KellyC 1 month ago

6/1/2022 update broke firefox

This morning, firefox updated when I opened it. Now, since the latest update, when I click on a link in an email, firefox, my default browser- opens, but does not navigat… (read more)

This morning, firefox updated when I opened it. Now, since the latest update, when I click on a link in an email, firefox, my default browser- opens, but does not navigate to the page- it just sits there, empty and lifeless.

   I close firefox, and when I open the browser from the start menu, it says it is still running, and I have to choose the option to close the old browser before it will open.
  I have disabled add-ons, tried disabling hardware acceleration, even resetting FireFox, and none of it helps.
   This problem did not exist at all yesterday.

Asked by timtoonz 1 month ago

Log in to sync not working on laptop

I can log in to sync on one of my Mac laptops but not my other. Restarting Firefox and restarting computer doesn’t help. It seems as if I log in as my password is accepte… (read more)

I can log in to sync on one of my Mac laptops but not my other. Restarting Firefox and restarting computer doesn’t help. It seems as if I log in as my password is accepted and it then it takes me to the screen where it wants to pair with the Firefox app on my phone but when I go in to preferences -> sync I’m not signed in and pressing the button to log in to sync does nothing. Please help. I have the latest version of Firefox installed.

Asked by fiona.macpherson 1 month ago

I can not access a page on my banking while on Firefox, but can on Chrome.

I am on Windows 11. I utilize Firefox only. I have always been able to obtain banking statements but now I am getting an error message: "Your session has timed out due … (read more)

I am on Windows 11. I utilize Firefox only. I have always been able to obtain banking statements but now I am getting an error message: "Your session has timed out due to inactivity. To access your online statement please close this window and click the link found in Online Banking to reopen online statement." I contacted the bank and they had me clear cookies but it didn't help. They tried to get me to cookie settings, bit mine steps were not the same as theirs. The had me go to Chrome and their site worked perfectly. I prefer Firefox and would hate to have to make it my primary. Do you know why my banking is not working on Firefox? How can my cookie setting be OK for Chrome but not Firefox?

Asked by B4Harmony 1 month ago

Credit Card Autofill

Credit Card Autofill is turned ON and datal are entered. Popup shows card data, but when card selected the data are never entered in the form fields. The fields remain b… (read more)

Credit Card Autofill is turned ON and datal are entered. Popup shows card data, but when card selected the data are never entered in the form fields. The fields remain blank.

Asked by alan 1 month ago

javascript functon sometimes not working.

I have a little javascript was given to me that increases the volume when playing Youtube vids that are too quiet. here it is: javascript:(function(){var videoElement = d… (read more)

I have a little javascript was given to me that increases the volume when playing Youtube vids that are too quiet. here it is: javascript:(function(){var videoElement = document.querySelector("video");var audioCtx = new AudioContext();var source = audioCtx.createMediaElementSource(videoElement);var gainNode = audioCtx.createGain();gainNode.gain.value = 3; /* triple the volume */ source.connect(gainNode);gainNode.connect(audioCtx.destination);})();

I don't know how it works. Whether it talks to firefox or it talks to win10 or it talks to Youtube. I don't know.

But sometimes it doesn't work. then I have to reboot.

Seeing it is in Firefox I just thought firefox guys might know something about why it doesn't work and perhaps some way to kick it into action?

Asked by abrogard 1 month ago

Error: 410 Gone

When browsing the BBC Sport website (using a VPN) and clicking on a link, I often get the error code mentioned in the subject (see attachment). If I try to follow the sam… (read more)

When browsing the BBC Sport website (using a VPN) and clicking on a link, I often get the error code mentioned in the subject (see attachment). If I try to follow the same link on other browsers (Edge, Chrome) the link is displayed without problem. The issue goes away if the VPN is disconnected. Why is it only Firefox that has this issue and is there a solution? (apart from not using the VPN)

Asked by Dave 1 month ago

opening a link

using windows 10 email windows live mail 2012. when i receive an email link it will not open. it is not blue. i know i can copy and paste to open it. is their another way… (read more)

using windows 10 email windows live mail 2012. when i receive an email link it will not open. it is not blue. i know i can copy and paste to open it. is their another way/

thanks Ken

Asked by kldl 1 month ago

The videos aren't in proper full screen for the first try

Every time, when I'm trying to turn on full screen mode for the first time after every time I open Firefox, I need to get in, out and in again, to don't get this line of … (read more)

Every time, when I'm trying to turn on full screen mode for the first time after every time I open Firefox, I need to get in, out and in again, to don't get this line of my wallpaper in the top left corner. PLease help me fix it somehow.

Asked by bedwars2020 1 month ago

only 1 tile link is blank

On my home page, why is it that after the last update that all the tiles showed the same icons except truthsocial which now is blank? It had a funny sorta 'T' tile before… (read more)

On my home page, why is it that after the last update that all the tiles showed the same icons except truthsocial which now is blank? It had a funny sorta 'T' tile before the update but now is blank. Funny how that worked out. I look at left/right and Libertarian but this is the only tile that's blank.

Asked by daemuhree 1 month ago