How can you disable the new JSON Viewer/Reader in Firefox Developer Edition?
Go to about:config In search, paste ‘devtools.jsonview.enabled’ Select the pref, right-click and select ‘toggle’
firefox-developer-tools
How to remove event listeners in Firefox debugger?
The same feature is there from the inspector in Chrome, but as you say not in (newish) DevTools in Firefox. Before DevTools, it was there in Firebug (screenshot), but the issue to port it across has been open for 3 years.
Is there an equivalent of Chrome’s DevTools’ Sources panel in Firefox DevTools?
The Firefox DevTools don’t have a panel that shows all files at one place the way the Chrome DevTools do it. Though there are different specialized panels showing you the same info. E.g. the Style Editor shows you all CSS sources. The Network Monitor shows all requested files with focus on network request information. The … Read more
How to programmatically replicate a request found in Chrome Developer Tools?
In the Network tab of the Chrome Developer Tools, right click the request and click “Copy” > “Copy as cURL (bash)”. You can then either write a script using the curl command directly, or use https://curlconverter.com/ to convert the cURL command to Python, JavaScript, PHP, R, Go, Rust, Elixir, Java, MATLAB, Dart or JSON.
Firefox – Disable ‘debugger’ keywords
In the current version of Firefox at writing this answer (ver 63.0.3), in the Developer Tools, the Debugger section, there’s an icon with the tooltip “Skip all pausing” or “Deactivate breakpoints”. When enabled it seems to disable stopping at any debugger instruction.
How to do a simple search in Firefox DevTools’ Inspector tab?
The search in the Inspector panel of the Firefox DevTools allows to search for text content since Firefox 45 (see bug 835896). Btw. since Firebug 2.0 you’re also able to search in the HTML panel using CSS selectors (additionally to the plain text search).
Change columns size in Firefox Developer Tools
Update: This feature is now available and enabled by default in Firefox 67. You can disable it (are you crazy?) using devtools.netmonitor.features.resizeColumns flag. Original answer: As you probably know there is no option to change the column(s) size (as of FF57), the only option you have is hide/show columns. it’s easy to do, just right-click … Read more
How to edit or remove cookies in Firefox DevTools?
To edit cookies in the Firefox DevTools you have to ensure the Storage Inspector is enabled via the settings. Within the Storage Inspector you’ll then be able to edit existing cookies by double-clicking the values within the list: You can also remove cookies by right-clicking them and choosing one of the options from the context … Read more
How do I disable firefox console from grouping duplicate output?
Update [2022-01-24] Seems like the below option doesn’t work as expected. feel free to report it as a bug Update [2020-01-28] Firefox team added option to group similar messages, which is enabled by default. You can access to this option via Console settings Open up Firefox’s dev tools Select Console tab Click on gear button … Read more
How to force Firefox to open devtools on each tab?
Dmitry Kulikov has developed a plugin for Firefox that does exactly this. You can find it here: https://github.com/dmitry-kulikov/firefox-devtools-auto-open and can be installed from the firefox add-on store here: https://addons.mozilla.org/en-us/firefox/addon/devtools-auto-open From my experience it does not bind to the new tab from the start. As such you might miss some network entries. I expect this is … Read more