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Questions tagged [firefox-developer-edition]

The Firefox Developer Edition is a special version of Firefox, which targets web developers.

The Firefox Developer Edition is a special version of Firefox, which targets web developers.

Besides the normal browser functionality it includes additional features that help people to create apps for Firefox OS and web sites.

See https://www.mozilla.org/firefox/developer/ for more info.

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Pretty Print Minified CSS Files in Firefox Developer Edition

Simply unable to pretty print minified CSS files in the style editor in developer tools in Firefox Developer Edition. I know in past Firefox versions there was a button at the bottom of Developer Tools (the {}). Has anybody else figured it out?
pjones235
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Where did Firefox's "Paint Flashing Tool" go (in Firefox ~96)?

The "paint flashing" tool in Firefox seems to have vanished. Both the docs and this answer are outdated. I'm running Firefox 96.0.2 (and Firefox Developer Edition 97.0b7) on a mac, and neither of them appear to have this feature. It's not under…
pitamer
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Is Pinch Zoom(zooming like we do on image) available in Firefox Developer Edition for macOS? If yes, how to enable it?

I have tried the solution given on this link https://itstillworks.com/enable-zoom-pinch-firefox-macbook-21731.html This seems to just increase the zoom percentage as can be done by Cmd + +. But what I wanted was the way Chrome and Safari do it, to…
Varun Goyal
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PHP Logs in native console Firefox Developer

I highly prefer the firefox developer inspector than the firebug one. But is that possible to display PHP logs in the native JS console ? Thanks :)
Spi
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Sticky ruler lines in firefox developer edition

I've started using Firefox developer edition, after many years of using Firefox with firebug. A slightly annoying artifact that I cant seem to get rid of are the rule lines - when I select an element (e.g. a button) Firefox developer edition adds…
Jonathan
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How to disable The Same Origin Policy in Firefox Developer Edition

How can I disable The Same Origin Policy in Firefox Developer Edition. For Some reason I thought it should be easy to do this in Developer Edition but I can't find the settings.
Mohsen
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How to open Firefox Developer Edition through Selenium

Following some tutorials on Selenium, I installed the geckodriver. In order to run a simple code on python to run Selenium, I have to specify this path in the command line: export PATH=$PATH:/home/xx/Downloads/geckodriver-v0.24.0-linux64 But I want…
user9371654
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TypeScript source maps in Firefox console?

Is it possible to see TypeScript source maps in console? I'm using Firefox Developer Edition and the Console is showing the .js line-numbers. I have a single .js file, compiled from multiple TypeScript files. Chrome and Safari are showing the…
Mick
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Show Firefox OS devtools on Firefox Developer Edition 'desktop'

I've an iMac with OS X Yosemite v.10.10.3. I use Firefox Developer Edition 40.0a2. I've a ZTE Open C (FR version) with Firefox OS; Boot2Gecko 2.1.0.0-prerelease (B2G OS). What I'd like to do is the following: I've a basic webpage (mostyl HTML, CSS…
user3344621
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Annoying behaviour of Firefox Developer Edition - Crashes a lot while debugging JS

I am using Firefox regular edition since years and have very seamless experience while browsing and debugging apps. Few months back firefox launched its developer edition, so I switched to FF developer edition. But what I experienced is that, it…
Saurabh Palatkar
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"This addon could not be installed because it appears to be corrupt" Firefox Developer Edition

I already set xpinstall.signatures.required to false. The extension loads fine in about:debugging but not in about:addons (where it matters). The error persists regardless of whether I add the activeTab, tabs, or permissions. Using…
HalpPlz
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How do I set up VS Code Live Server extension to use Firefox Developer on Linux?

I'm currently running Elementary OS 5.1.7 Hera, and just downloaded Firefox Developer edition, which runs independent to the regular Firefox, so Live Server extension doesn't recognize FDE.
apanta
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Firefox Developer Edition (63) no longer shows css rules when inspecting elements in responsive mode

I've tested this on numerous websites: After switching to responsive mode I can no longer view the CSS rules for an element I select/inspect on the page. This used to work in the past. I've even reset my Firefox to be sure it's not a plugin or some…
Ben Pseudo
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Where does parameter value that not show in firefox dev edition go?

where does firefox developer edition hide the XHR request param... ? Here the image when i open the console tools and make some XHR request but none of parameter is show. Im using POST method when XHR it... I am using firefox-dev edition version :…
navotera
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Unable to find firefox developer edition event listener breakpoints in the debugger?

In Chrome, a user can open up the DevTools Debugger and easily select an event listener breakpoint on the right in the "Sources" Pane. I have been unable to find these features in the Firefox Developer Edition debugger. Curiously, when visting the…
Cauliflower
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