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Questions tagged [firefox-developer-tools]

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The Firefox Developer Tools are the built-in development tools in Mozilla Firefox.

82 questions
Newest Active Bountied Unanswered
0 votes
0 answers
371 views

Currently, I leave DevTools open in the Network tab, and when a certain table is updated, I click on the request and in Response the complete dictionary is there. I copy all the text and paste it into ...
Digital Farmer's user avatar
  • 209
8 votes
2 answers
2k views

How do I turn off the obnoxious "tooltip"-like pop-ups that show when you hover the mouse cursor over a tab in Firefox? I'm not trying to turn off "tooltips" on webpages -- only in ...
user291937's user avatar
  • 136
1 vote
0 answers
123 views

I am using Firefox latest version. I am being reputedly asked for proxy authentication, even I have saved all proxies, and also tried to fix through about:config but nothing works. I am using a ...
Soumendra Patra's user avatar
  • 11
1 vote
0 answers
616 views

I successfully exported HAR files of approximately 650 MB using Firefox 132.0.1 on macOS. However, I want to export around 1.2 GB in a single HAR file. When the content is too large, Firefox simply ...
hotips's user avatar
  • 165
1 vote
0 answers
61 views

In Firefox, when I log an object that has accessor functions (getters/setters) to the developer console, I need to expand __accessor__ > store > _values_ > entries to inspect the values: In ...
Berend's user avatar
  • 3,218
1 vote
1 answer
145 views

Suppose I'm using the Firefox Devtools, the "Storage" tab is active, the "Cookies" tab is expanded, and and localhost is selected. Then I can see all the cookies. When a page ...
lonix's user avatar
  • 870
1 vote
0 answers
134 views

It looks like Firefox’s DevTools, both the Network tab and profiler, don’t show the server response time when there is a Service Worker involved. Everything is shown at 0ms. Is that expected and is ...
sylbru's user avatar
  • 113
2 votes
0 answers
992 views

When we open a developer tool in Firefox, the "network" tab shows us resources that are loaded during the page load. If the resource is an image then there's a "Save Image As" menu ...
Putnik's user avatar
  • 965
4 votes
0 answers
710 views

The in-browser Leetcode text editor autocompletes parentheses. (Typing '(' will automatically create a ')' in the text editor.) Unfortunately, Leetcode does not provide settings that disable this ...
user1735791's user avatar
  • 41
4 votes
2 answers
2k views

For debugging purposes, I need to automatically load a large number of URLs (successively) in a given Firefox tab. More precisely, my goal is to load URL1, URL2, etc., as if the user had typed these ...
Gro-Tsen's user avatar
  • 231
1 vote
1 answer
455 views

I am trying to hide the button circled in red prompting me to install a new search engine (which that one, brave, is already installed, so WTF?) However, I have no way to select it with the Browser ...
user avatar
6 votes
2 answers
3k views

I don't know what this folder is for, and I don't know why Firefox forced this folder for everyone. But for me It is always empty because I never use it. I want to go a step further and permanently ...
user avatar
6 votes
1 answer
5k views

Surprisingly hard to google, thanks to the name of Google's own browser... I'm making modifications to my userChrome.css file to move the findbar (ctrl-F) to the top right, to mimic what I'm used to ...
Codemonkey's user avatar
  • 365
2 votes
2 answers
210 views

I am building a personal website with flask. In order to test it, I want to request localhost/foo/../bar. However, when I navigate to this URL firefox automatically rewrites it and requests localhost/...
Dragon's user avatar
  • 161
1 vote
0 answers
275 views

I would like to use the Network tab to see what resources the page downloads while I'm interacting with it. The problem is that, when I have the Network tab shown, if I then click any element on the ...
Niccolo M.'s user avatar
  • 768

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